Manual breast pump can be manually controlled according to the physical condition of the appropriate suction size, and the use of no noise, if the mother and the child are separated for a long time, you can use the manual breast pump to suck out the breast milk storage, and then feed the child to drink when appropriate. Specific steps are as follows: 1, clean the breast pump: first take apart the breast pump, from inside to outside carefully cleaned with water, and then sterilized with boiling water, pay attention to the cleaning action to be gentle, the use of cleaning tools to be soft, to avoid scratching the surface of the breast pump, affecting the reading of the scale; 2, clean the breast: hot towels hot compresses on the breasts, warm boiled water to wash the nipples, to keep nipples clean; 3, adjust the Breast pump cup: cover the breast with the mouth of the breast pump cup, adjust the angle so that the breast pump and the breast fit perfectly, gently squeeze the middle and lower part of the bottle to produce suction and then the milk can flow into the bottle; 4. Collect the right amount of milk: when the right amount is collected, stop squeezing the bottle and wait for the milk to stop being secreted to stop collecting. The collected milk should be poured into the bottle for the baby to drink, or put into the refrigerator for proper storage. Precautions Breast pumps need to be cleaned with water and sterilized by boiling water before each use to avoid jeopardizing the health of mothers and babies.