It takes 7 days to reduce the amount of milk secretion, due to individual differences, so some people may take a little longer to reduce the amount of milk secretion. The weaning injection used in the clinic is mainly estrogen, which will gradually increase the estrogen in the body after application, and then inhibit the secretion of prolactin, so that the clinic can achieve a significant reduction in breast milk until the state of complete cessation of lactation. During the period of medication there may be nausea, vomiting and other corresponding symptoms, it is best to give attention to the diet, such as eating some easily digestible food, which reduces the burden on the gastrointestinal tract, and if necessary, you can boil some Huishan porridge, or eat vitamin B6 to reduce this gastrointestinal reaction.