Endosulfan is a highly toxic organochlorine insecticide with contact and stomach poisoning effects, broad insecticidal spectrum, and long-lasting effect. It can be used on cotton, fruit trees, vegetables, tobacco, potatoes and other crops to control cotton bollworms, red bollworms, leaf rollers, diamond beetles, chafers, pear heartworms, peach heartworms, armyworms, thrips and leafhoppers. It has mutagenic effects on humans, damages the central nervous system, and is a tumor-causing agent. Due to its acute toxicity, bioaccumulation and endocrine disrupting effects, its use has been banned in more than 50 countries.