1. First, you need to determine who the target of the complaint is, such as a certain enterprise, government department or individual.

2. After determining the target of the complaint, it is necessary to clarify what the complaint is about, such as product quality problems, poor service attitude, etc.

3. After determining the target and matter of complaint, you need to choose a complaint channel. You can choose to make complaints through channels such as government departments and consumer associations, or through Internet channels such as social media and online forums.

4. After determining the complaint channel, it is necessary to determine how many people are needed to make a joint complaint. The number of people who jointly complain needs to reach a certain number to attract enough attention and attention.

5. After determining the content of the joint complaint, you can initiate a joint complaint through various channels, such as creating an online complaint organization, initiating online signatures, etc.

6. After initiating a joint complaint, you need to pay attention to the subsequent handling of the joint complaint, including the responses from relevant departments, the results of the complaint, etc.