Chlorinated disinfectants are harmful to the human body and can cause varying degrees of poisoning if applied incorrectly or improperly. If the skin and epidermis are exposed to chlorinated disinfectants for a long period of time, it can cause burns on the skin and mucous membranes, and because of the strong oxidizing effect, it can cause burns, burns, burning sensations, tingling sensations and epidermal layer loss around the mucous membranes. If a person accidentally takes or inhales a chlorinated disinfectant, it can also cause different degrees of mucosal damage, mucosal burns and mucosal destruction to the conjunctiva, bulbar conjunctiva, mucous membranes in the nose and mouth. If taken by mistake, chlorinated disinfectants can cause erosion and peptic ulcers in the esophagus and gastrointestinal tract, and in more serious cases, can cause hemorrhage in the upper gastrointestinal tract. If the body absorbs chlorinated disinfectants for too long, circulatory damage may occur, such as chest tightness, shortness of breath, palpitations, and precordial discomfort.