The bad effects of sterilization on people include the skin, the nervous respiratory system, the circulatory system, the digestive system and other bad effects. 1. Bad for skin: the disinfectant water used for disinfection can cause redness, swelling, heat and pain in the affected area, skin damage, burning sensation of the mucous membranes of the skin, and there are rashes, itching and other allergic reactions. 2. For the nervous and respiratory systems: for example, inhalation of chlorine gas released by too much chlorine disinfectant can cause dizziness, headache, cough, chest tightness and other symptoms. 3. For the circulatory system: when disinfecting the patient inhaled too much disinfectant water released gas can appear tachycardia, arrhythmia, chest tightness, shortness of breath, precordial discomfort and other symptoms. 4. To the digestive system: if unintentionally taking disinfectant water can cause stomach pain, acid reflux, heartburn, nausea, abdominal pain and other such symptoms. People who are allergic to disinfectant should stay away from the disinfected environment as far as possible, and if unintentional contact with the disinfected environment brings about skin damage, digestive, neurological symptoms, respiratory symptoms and other symptoms, they should actively seek medical attention.