The most common drugs used to return milk are: 1. vitamin b6, which is less damaging to the body, but needs to be taken in large doses under the guidance of a doctor. 2. ethylene estradiol, which is an estrogenic drug that requires a doctor’s prescription to buy, is not used as a first choice due to the side effects of this drug. 3. Chinese medicine includes fried malt, decocted with water, taken once a day, generally for three days with obvious results. 4. The prescription is Chuanjian, Shenqu, fried wheat bud, hawthorn, gong ying, cicada molasses, and a flat finger, boiled into a bowl. Consult a doctor.