Legal analysis: According to the rules of evidence in China, witnesses should appear in court, and relevant evidence should form mutually corroborating testimony. If the other party admits it, it can become evidence.

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

Article 72 All units and individuals who know the circumstances of a case have the obligation to testify in court. The person in charge of the relevant unit shall support the witness to testify. People who cannot express their meaning correctly cannot testify.

Article 73 Upon notification by the people's court, a witness shall testify in court. Under any of the following circumstances, with the permission of the people's court, written testimony, audio-visual transmission technology or audio-visual materials may be used to testify:

(a) unable to appear in court for health reasons; (2) Unable to appear in court due to long distance and inconvenient transportation; (3) Unable to appear in court due to force majeure such as natural disasters; (4) unable to appear in court for other legitimate reasons.

Seventy-fourth transportation, accommodation, meals and other necessary expenses. The time lost by the witness to testify in court shall be borne by the losing party. If a party applies for a witness to testify, it shall pay the fee in advance. If the person subjected to execution does not apply, the people's court shall notify the witness to testify in court and pay the fee in advance.