Recently, floods and waterlogging disasters have touched the hearts of countless people. It is crucial to carry out post disaster disinfection and protection work in order to ensure the physical health of oneself and one's family. Below, we will provide a detailed introduction to the key points of disinfection in different aspects after flood disasters, so that we can scientifically respond and protect our health together. 1、 Drinking water is safe and the source of life is guaranteed. During flood disasters, priority should be given to drinking bottled water. If there is no bottled water, all drinking water should be boiled before consumption. 2、 Disinfection of daily necessities, creating a clean living space for furniture, sanitary ware, office supplies, etc. After cleaning, rinse, wipe or soak with a chlorine containing disinfectant with an effective chlorine concentration of 500 mg/L for 30 minutes, or use 200 mg/L chlorine dioxide, 1000 mg/L peracetic acid, 1000 mg/L quaternary ammonium salt disinfectants for disinfection treatment, with a disinfection time of 15-30 minutes. After disinfection, wipe clean with clean water. 3、 Disinfect tableware and ensure the safety of the tip of the tongue. After cleaning tableware, boiling disinfection is preferred, and the boiling time should be at least 15 minutes. Disinfectants can also be used for soaking and disinfection, such as soaking in chlorine containing disinfectants with effective chlorine levels ranging from 250mg/L to 500mg/L for 30 minutes. After soaking, the disinfectant should be rinsed clean with clean water. 4、 Food safety: Refuse to allow diseases to enter through the mouth. Timely handle food that has been soaked in floods or spoiled, and do not consume any food that has been soaked in floods. Steamable food should be fully heated before consumption. 5、 Hand and skin care, building a strong health defense line. After participating in post disaster environmental cleaning and disinfection, animal carcass disposal, etc., hand disinfection should be carried out, and effective hand disinfectants can be used to rub and wipe hands. Individuals with skin redness, swelling, or damage caused by prolonged immersion in floodwaters should seek medical attention promptly. Iodine or other disinfectants can also be applied for disinfection. 6、 Garbage and feces treatment, cutting off transmission routes. General household waste does not require disinfection treatment, and hygiene management should be done well, with daily cleaning. Spray disinfectant containing 5000 mg/L to 10000 mg/L of effective chlorine on garbage containing corrupt substances, and collect and dispose of it harmlessly after 60 minutes of use. (New Society)