Step 1: Open the WeChat search mini program - search for "Heilongjiang Mobile Micro Court" (Figure 1), enter the mini program interface, and then perform real-name authentication. Step 2: The party or agent clicks "I want" Filing the case - Select the type of case filing. Step 3: Select the court to accept the case (Figure 5). Carefully read the "Instructions for Filing the Case" and enter the information filling interface. Step 4: When adding the plaintiff, defendant and third party, you must accurately fill in the relevant identity information. Correctly choose to add "natural person", "legal person" or "illegal organization" according to the nature of the parties. Necessary litigation materials such as the complaint, subject qualification certificate, agency procedures, evidence directory and evidence should be uploaded as required, and fill in the instructions in sequence (* It is a required field. Step 5: After the party or agent completes the information filling and uploading the complaint materials, you can click "Confirm Submission of Materials" to complete the WeChat case filing. The parties and litigation agents can inquire in "My Cases". Information about cases filed on WeChat