The main introduction explains the principle, raw materials used, and correct operation of the large-scale sodium hypochlorite generator for electrolytic salt. The electrolytic salt sodium hypochlorite generator is an energy-saving drinking water disinfection equipment, which uses sodium hypochlorite disinfectant prepared on siteIt is a broad-spectrum disinfectant with a wide range of uses. It not only has strong effects, but also is easy to decompose, residue free, non-toxic and harmless to the human body. It is very safe for the human body and is a general agent.