1, audio and video evidence must be legally obtained;

2. There is no violation of legitimate rights and interests or violation of legal prohibitions;

3. The identity of the interviewee in the recording is clear, the content is clear, there is no doubt that it is forged and there is no splicing;

4. The recorded contents are limited to legal civil acts related to the case, and shall not infringe on privacy and business secrets;

5. The other party has not raised any objection or the objection is insufficient;

6. The recorded evidence is illegally obtained and cannot be used as valid evidence.

The limitations of recording as evidence in litigation are as follows:

1, recording should try to keep the original carrier;

2 audio-visual materials such as audio and video recordings cannot be used as the basis for determining the facts of the case alone;

3. Only when supported by other evidence can it be used as the final evidence of the case.

Legal basis: Article 72 of the Civil Procedure Law of People's Republic of China (PRC).

If the people's court considers it necessary to identify specialized issues, it shall submit them to the statutory identification department for identification; If there is no statutory appraisal department, it shall be appraised by the appraisal department designated by the people's court.

The appraisal department and its designated appraisers have the right to know the case materials needed for appraisal, and may ask the parties and witnesses when necessary.

The appraisal department and appraiser shall put forward a written appraisal conclusion and sign or seal the appraisal book. Where an appraiser conducts an appraisal, the unit where the appraiser belongs shall affix a seal to prove the identity of the appraiser.