1. Fill in the unit information: fill in the name of the processing unit, the place where the hidden danger occurred, the contact person and their contact information in the form;

2. Fill in the information of potential safety hazards: fill in the form with the types of potential safety hazards, inspection time, descriptions of potential safety hazards, etc.

3. Fill in the handling information: fill in the handling method, handler and contact information, handling time, handling results, etc. In form;

4. Fill in the feedback information: fill in the feedback time, feedback person and their contact information, feedback result and its implementation effect in the form.

Feedback refers to the process that the output of the system returns to the input in some way and changes the input. There is a causal cycle between the two, which affects the function of the system. According to the nature of the influence of feedback on output, it can be divided into positive feedback and negative feedback.