84 disinfectant will release irritating odor mainly chlorine, which can lead to poisoning of the human body, which can be manifested as eyelid edema, nausea, vomiting, stomach discomfort, etc. Clinical skin will also show corresponding allergy, skin itching, redness, more intense mucosal reactions, etc. The application of 84 disinfectant should pay attention to reasonable dilution with water. The clinical skin will also show corresponding allergies, skin itching, redness and swelling, mucosal reaction more intense, etc. 84 disinfectant in the application process should pay attention to reasonable dilution with water, after the application can be washed by water, open windows, ventilation and other methods to make the 84 disinfectant irritating smell can be removed. Daily life 84 disinfectant can disinfect the ground, toilet and other large vessels, not through the disinfectant oral or wipe the arms and other skin contact. Since the disinfectant is very irritating and can damage the mucous membrane of the digestive tract, skin, etc., clinical application must be careful.