Fennel belongs to a kind of vegetable, does not have the role of milk, can not be used to stop breastfeeding to promote the return of milk. Fennel is a vegetable that can replenish vitamins and trace elements for the human body, and can only play a nutritional role, can improve the efficiency of the body’s metabolism, which is rich in dietary fiber, and can also promote intestinal peristalsis, but it can not be used to return to the milk. If you need to return to the milk, you can use to reduce the child sucking, light diet or the use of bromocriptine, vitamin B6 and other drugs to carry out, under the guidance of the doctor to carry out the scientific return to the milk. During the period of breastfeeding, women should pay attention to preventing milk stagnation, and also keep the breasts clean to prevent infections from developing into mastitis and other conditions. If there are abnormal symptoms, you should pay attention to timely medical consultation.