Each time you use the bottle should be washed thoroughly and sterilized. Using a brush, wash with soap and water nipples, caps, nipples and body protectors bottles. Adapt nipples on the rings and cover them with nipples guard and perform sterilization. In hospitals the recommended sterilization lasts 18 ‘to 134 °. At home generates temperatures boiling the water does not exceed 100 ° in an electric sterilizer or a sterilizer for microwave oven, the duration will be an important factor for a more efficient sterilization possible, medical personnel, program from 15 to 20 minutes of the method used. The bottles are then kept at full charge in the refrigerator until feeding. We must sterilize bottles as a baby drinks milk, even if it starts sucking everything that comes to hand. Milk bacteria are the cause of poisoning and diarrhea.