You must sign the report card after passing each subject of the driving test. You can't get a driver's license without signing it. Paragraph 3 of Article 46 of the Regulations on the Application and Use of Motor Vehicle Driving License revised and issued by the Ministry of Public Security stipulates that the examination transcripts of all subjects shall be signed by the applicant and the examiner, and motor vehicle driving licenses shall not be issued without signature.

Subject 4, also known as subject 4 theory test and driver theory test, is a part of motor vehicle driver's license assessment. After the implementation of the Ministry of Public Security 123 order, the subject three examination is divided into two contents. In addition to the road test, the common sense test of safety and civilization, commonly known as "subject four", is added, and "car morality" is considered. Because this exam is conducted after subject three, everyone is used to calling it subject four exam. Actually, there is no subject four in the official statement.

The examination paper consists of 50 questions, which are mainly presented in the form of cases, pictures and animations. , full score 100, qualified 90 points.