If the mother is separated from her child for a long time, she can use the manual breast pump to suck out the milk and store it, and then feed it to her child when it is suitable. The specific steps are as follows: 1. Clean the breast pump: first disassemble the breast pump, wash it carefully with water from inside to outside, and then disinfect it by boiling water. Pay attention to the gentle action when cleaning and use soft cleaning tools to avoid scratching the surface of the breast pump and affecting the reading of the scale; 2. Clean the breast: use a hot towel to warm the breast and wash the nipple with warm boiling water to keep the nipple clean; 3. Adjust the The cup of the breast pump: cover the breast with the cup of the breast pump, adjust the angle so that the pump and the breast fit perfectly, gently press and pinch the middle and lower part of the bottle, and the milk can flow into the bottle after suction is generated; 4. Collect the right amount: when the right amount is collected, stop pressing and pinching the bottle, and stop collecting after the milk stops secreting. The collected milk should be poured into the bottle for the baby to drink, or put it into the refrigerator for proper storage. The breast pump needs to be cleaned with water and disinfected with boiling water before each use to avoid endangering the health of the mother and baby.