When producing and using organic solvents, it is necessary to strengthen airtight and ventilation to reduce the fugitive and evaporation of organic solvents. Automated and mechanized operations are used to reduce the chance of direct contact between operators. Personal protective equipment such as respirators or protective gloves should be used. When the skin mucous membrane is polluted, should flush in time clean. Do not use contaminated hands to eat or smoke. Wash hands, bathe and change clothes. Should carry on the regular health examination, discovers the poisonous symptom early, carries on the corresponding treatment and the rigorous dynamic observation.