Generally speaking there is no strict limitation on what to eat on the fourth day after delivery, and without special circumstances, you can follow the principle of high protein and high vitamin diet. In the short postpartum period, you can give priority to the appropriate amount of easily digestible fluid food, such as eggdrop soup, egg custard, not only for the new birth of the mother to replenish good nutrition, but also to prevent the early large amount of food, causing gastrointestinal discomfort. At the same time, liquid food can also avoid dry stools, and if a pregnant woman suffers a vaginal tear during labor, then constipation can be avoided to affect the recovery of the perineum. If there are no complications after the birth of the mother, the main principle of the diet is to follow the high protein and high vitamin, not only to help the recovery of the wound, but also to promote the secretion of breast milk. In addition to the above principles, postpartum diet, due to the existence of some individual differences, it is recommended that mothers consult a professional doctor.