Pregnant women who drink expired milk can drink a lot of water to promote digestion and can be relieved by inducing vomiting if necessary. Expired milk has low nutritional value and there is a certain possibility that it may carry bacteria or toxins and is not to be drunk. For pregnant women who have accidentally drunk expired milk, they can drink a lot of water to promote the emptying of expired milk in the digestive system, reduce the damage caused by bacteria or viruses in the milk to the gastrointestinal system, and prevent the adverse effects of expired milk on the body. For pregnant women who have just finished drinking expired milk, they can be relieved by inducing vomiting, which also requires drinking a lot of water to dilute the milk in the stomach and reduce the possibility of milk being absorbed by the body. Pregnant women should pay attention to their diet during pregnancy, try to focus on fresh, clean food, and should eat a varied diet to facilitate the growth and development of the fetus.