Sterilizing by boiling at high temperatures for about 20 minutes kills most bacteria and viruses. Some viruses and bacteria can be killed in a few minutes, while others take longer. Intestinal infectious diseases, such as enteritis and dysentery, the causative organisms are Escherichia coli, Salmonella, Vibrio cholerae, Shigella, etc. Most of these bacteria need to be inactivated in three minutes at a high temperature of 100 degrees. Bacteria with spores generally need more than 15 minutes to be inactivated. Other sterilization methods include ultraviolet radiation and spraying with disinfectants. It is important to pay attention to safety when sterilizing with high temperature to avoid getting burned, and to avoid causing allergic reactions when sterilizing with disinfectant, and try not to touch the skin directly with the disinfectant. If you are scalded or have other accidents when you are sterilizing with high temperature, you should consult a doctor in time, and the patient should not use medicine by himself. To be treated under the guidance of a physician.