The parties may collect evidence in accordance with the following provisions. According to Article 63 of the Civil Procedure Law, the evidence includes:

(a) 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.

At the same time, in this case, witnesses can also testify in court. According to Article 67 of the Civil Procedure Law, the people's court has the right to investigate and collect evidence from relevant units and individuals, and the relevant units and individuals may not refuse.

The people's court shall distinguish the authenticity of the documents submitted by the relevant units and individuals, and examine and determine their validity.

Article 72 stipulates that all units and individuals who know the circumstances of a case are obliged 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 stipulates that a witness shall testify in court after being notified by the people's 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:

Unable to appear in court for health reasons;

(2) Being 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;

(four) other legitimate reasons can not appear in court.