1. Documentary evidence is a written material to prove the facts of a case by the ideological content expressed in its words, symbols and patterns, which can be divided into originals, originals, duplicates, notebooks, photocopies and translations. For example, the facade lease contract, pre-permit and document approval, business license, etc. all belong to the category of documentary evidence. In the process of collecting documentary evidence, we should pay attention to the following problems: 1. Try to provide the original. If it is really difficult to provide the original, we can provide copies, photos and excerpts that are verified with the original; 2. If a copy, photocopy or transcript of the original documentary evidence kept by the relevant department is provided, the source shall be indicated, and the seal shall be affixed after it is checked by the department; 3, provide statements, drawings, accounting books and other documentary evidence, should be accompanied by explanatory materials. Second, material evidence refers to all physical forms as evidence of existence and expression. For example, in the case of administrative punishment for trademark infringement, trademark marks, goods marked with trademark marks and packaging are all material evidence. Three, audio-visual materials audition materials is the use of audio, video, computer storage and other means to reflect the audio, video or other information to prove the facts of the case. Such as the video of the industrial and commercial departments changing the main registered items illegally and without authorization. For audio-visual materials, there are the following requirements: 1. Try to provide the original carrier of relevant materials. If it is really difficult to provide the original carrier, a copy can be provided; 2, indicate the production method, production time, producer and proof object; 3. Audio data shall be accompanied by a written record of the audio content. IV. Witness Testimony Witness testimony is a statement made orally or in writing to an administrative organ or organization by a person who knows about administrative violations. It is a common form of evidence used in administrative punishment. Witness testimony evidence has the following requirements: 1. State the name, age, sex, occupation, address and other basic information of the witness; 2, there is a witness's signature, can't sign, to seal and other means to prove; 3. Indicate the date of issue; 4, with a copy of the identity card and other documents to prove identity. V. Statements of the parties In administrative punishment cases, the statements of the parties mainly refer to the statements of the administrative violators, including statements, defenses and excuses made by the parties in the hearing procedure. The true statement can be used as direct evidence to identify the case. We should listen carefully to the statements and excuses of the actor, avoid listening to only one side of the story, and pay attention to examining whether the statements and excuses of the actor are consistent and reasonable with other evidence. If the statement of the parties is in the form of inquiry, statement or conversation record, it shall be signed or sealed by the administrative law enforcement officer, the respondent, the presenter and the speaker. VI. Appraisal conclusion Appraisal conclusion refers to a written conclusion made by a person or institution with specialized knowledge entrusted or hired to appraise some specialized issues in a case. For example, monitoring reports. Evidence of appraisal conclusion has the following requirements: stating the matters entrusted by the client and the entrusted appraisal, the relevant materials submitted to the appraisal department, the basis of appraisal and the scientific and technical means used, the description of the appraisal department and the qualification of the appraiser, and the signature of the appraiser and the seal of the appraisal department. The appraisal conclusion obtained through analysis shall explain the analysis process. Seven, the record of the inquest, the on-site record of the inquest refers to the administrative law enforcement personnel to the scene of the administrative illegal cases, as well as the physical evidence that is inconvenient to move, which can prove the case. The record of the inquest reflects mostly the objective situation, and it is usually carried out after the case, such as taking photos of the scene of the fake and shoddy goods during maternity leave and recording the results in the form of words, forms, pictures and data. When conducting an inquest, the inspector shall show his/her certificates and invite local grass-roots organizations or relevant units to send people to participate, and the invitees shall sign the record. On-the-spot record is an objective record made by the administrative organ in the process of exercising its functions and powers according to law to make specific administrative acts, and it is made by the law enforcement officers of the administrative organ with the participation of the parties concerned. Its content is the on-the-spot facts that are happening or have just happened, and it can neither be done well in advance nor supplemented afterwards. On-site transcripts have the following requirements: 1. On-site transcripts should specify the time, place and events, and be signed by law enforcement officers and parties; 2. If the parties refuse to sign or cannot sign, the reasons shall be indicated; 3, there are other people at the scene, can be signed by others. Legal objectivity:

Article 63 of the Civil Procedure Law, and the evidence includes: (1) statements of the parties; (2) Documentary evidence; (3) Physical evidence; (4) Audio-visual materials; (5) Electronic data; (6) Testimony of witnesses; (7) Appraisal opinions; (8) Records of the inquest. Evidence must be verified before it can be used as a basis for ascertaining facts.