There are many reasons for low milk secretion and milk overflow, mainly the following: first, it may be the overflow caused by weak body and lack of middle energy, usually pay more attention to conditioning the body, eat more nutritious food, the mother may also have symptoms such as milk clear and endocrine disorders; second, it may be that the milk ducts have just been unblocked, milk secretion does not yet exist in a regular manner, so there will be symptoms of milk overflow from the breast, and If the milk overflow is not too serious, there is no need to treat it for the time being. Thirdly, it may be due to the increase of lactogen level in the body and the overflow of milk when the milk is secreted, which is a normal phenomenon and basically there is no need to worry about it.