1, manual traction, that is, squeeze the nipple out of the skin surface by yourself, hold the nipple horizontally or vertically with your thumb and forefinger, and continuously or intermittently pull the nipple outward for about 35 minutes each time, alternating the bilateral nipples 2-5 times a day.
2, instrument traction, as the name implies, is to use a manual or electric breast pump to suck out the nipple, using the negative pressure principle, can also be accompanied by nipple traction for about 30 minutes each time, alternating on both sides, 2-5 times a day.