There are several ways to sterilize bottles: 1. Boiling water, each time the sterilization time needs to be more than 10 minutes, starting from the time the water boils. Remind parents that glass bottles need to be disinfected in cold water. 2. Steam sterilization, which can raise the temperature in a short period of time to kill harmful bacteria and is easy to operate and effective. 3. UV irradiation, which is mainly used to sterilize by destroying the cells of viruses and bacteria. 4. Soaking in disinfectant solution, which is This is a chemical disinfection method and is only suitable for plastic and glass bottles, metal bottles cannot be used. After disinfection, bottles must be rinsed and dried before use. Regardless of the method of disinfection, the bottles should be washed and brushed before disinfection.