1) allergic purpura does not eat allergic food: if it is purpura caused by food allergies, it is necessary to strictly ban this food for life. Common allergic substances are animal foods, such as fish, shrimp, crab, eggs, milk and so on. Plant food, such as broad beans, pineapples, plant buds, etc. At the same time, avoid using cookware and tableware that are exposed to allergic substances.

(2) Eat more foods rich in vitamin C and K: Vitamin C is an essential substance to protect blood vessels and reduce blood vessel permeability. Vitamin K can increase the level of coagulation factors, which is beneficial to coagulation and hemostasis. Foods rich in vitamin C are: fresh vegetables and fruits, especially tomatoes, oranges, apples and fresh dates; Foods rich in vitamin K include spinach and pig liver. Vitamin c and vitamin k are not resistant to high temperature and should not be cooked at high temperature for too long.

(3) Adequate high-protein diet: A large amount of protein is lost due to blood loss, so it is necessary to supplement high-protein foods, such as pig liver, eggs, lean meat and milk. If it is a patient with excessive bleeding or severe anemia, it is still necessary to supplement food rich in hematopoietic raw materials.

(4) Avoid spicy food, quit smoking and drinking.

(5) Pay attention to avoid eating coarse, hard foods that have mechanical irritation to the gastrointestinal tract, such as fish with thorns, crabs with shells, chickens with bones, and meat. , so as not to stab the oral mucosa and gums and cause or aggravate bleeding.