Before using a baby bottle for the first time, you should pay attention to cleaning and sterilizing the bottle according to its material. If it is made of plastic, you can use a sterilizer; if it is made of glass, you can steam it in boiling water. When cleaning the bottle, use water to brush the inner wall clean, and then rinse with water several times, and finally disinfected. If the bottle is made of plastic, you can use a sterilizer, if the high-temperature heating sterilization method should not be too long, or may produce toxic substances. Glass can be directly sterilized at high temperatures, can be used to boil the method, the bottle will be placed in boiling water, generally about 15 minutes can be. Use the sterilized bottle clamp to clip it up and put it in a clean and ventilated place to dry. Parents are advised to sterilize baby bottles regularly, and baby bottles should be cleaned immediately after drinking milk to avoid milk stains that breed bacteria and lead to the occurrence of acute gastroenteritis in babies.