Safety education and management of operators and related personnel must be strengthened. In order to do a good job in the safety education of "Four Innovations", professionals and safety engineers and technicians should conduct risk assessment and safety system analysis in advance before the application of "Four Innovations". Generally, the following steps can be taken:
1. Determine the hazards and risk factors in the production process and collect relevant information;
2. Determine the main dangerous and harmful units in the production process, and investigate and analyze the labor protection status of some similar units;
3. Risk assessment of main devices with high risk of fire and explosion in production;
4. Evaluate the unit toxicity of the main unit devices with great poisoning hazards in the production process;
5. Put forward labor protection evaluation conclusions and countermeasures.