Milk burst is a state in which a woman’s milk suddenly increases before and during breastfeeding and flows out in jets or drips out quickly. When a woman is breastfeeding, her breasts suddenly swell up with slight swelling and pain, and the milk comes out in jets or drops quickly, which more often happens before the baby eats or a few minutes after drinking milk. The milk paroxysm indicates that the amount of milk is more, the milk paroxysm comes when the milk is more abundant, even if the original has been sucked out of the milk is not much left, but also between the sudden increase, the breast feel harder than before. The baby suddenly appeared in the process of drinking milk, too late to swallow, may cause crying, choking and coughing and other adverse reactions, to let the baby in time to stop drinking milk, so as to avoid choking, lack of oxygen and other dangers. Milk paroxysm is generally a physiological manifestation, after the appearance of milk paroxysm should pay attention to breast cleaning care, timely change of underwear.