Job Hazard Analysis (JHA) is a more detailed method to analyze the hazards existing in the operation process. It decomposes a work activity into several related steps, identifies the dangers in each step, and tries to control accidents. \x0d\ This method is a combination of qualitative and quantitative methods. Firstly, the hazards in the work are identified, and then the numerical value is calculated according to the formula of the occurrence probability and consequences of risk II, so as to determine the size and classification of the risk, and then take corresponding measures. \x0d\ The main step of job hazard analysis is to determine the job to be analyzed first, then divide the job into several steps, then identify the potential hazards of each step, and finally determine the corresponding preventive measures. \x0d\ Before the analysis, an analysis team shall be set up to determine the specific work of the analysis, which shall be broken down into several steps and filled in the Work Hazard Analysis Record Form. The record form includes the working steps, potential hazards, main consequences, risk degree and suggested improvement measures of this step. \x0d\\x0d\ Example: \ x0d \ x0d \No. Hazards of working steps and main consequences of potential events. L S risk degree. Suggested corrective and control measures \ x0d \ x0d \ 1 The mixed storage and physical and chemical reaction of contraindications in the arrival notice cause fire and explosion. 1 3 3 Strictly monitored \ x0d \ 2. Fire and explosion caused by working vehicles without fire shields 1 3 3. Strictly monitor \x0d\ 3. Casualties and environmental pollution caused by excessive acceptance 1 1 10. Strictly monitor \x0d\ 4. Acceptance Form for Casualties and Environmental Pollution Caused by Leak Caused by Loose Packaging 1 2 2. \ x0D \ 22。 Poisoning due to leakage of hazardous chemicals, casualties 1 strict monitoring \x0d\ 6 stored drama drugs were stolen, not stored as required, resulting in personnel poisoning and fire explosion 1 1 strict monitoring \x0d\ 7 stored fire explosion 265439.00000000000005