Mild purpura dietary contraindications should be noted according to the cause of the disease, including allergic purpura to eat less food that may cause allergies, abdominal purpura to eat less greasy food, renal purpura to eat less food with higher protein content, leukemia-induced purpura need to eat less spicy stimulation, unclean food and so on. 1. Patients with allergic purpura should eat less easily sensitized food, such as milk, eggs, seafood and other foods, and eat less spicy and stimulating food to reduce the occurrence of allergic purpura, eating easily allergic food may aggravate the purpura. 2. Abdominal purpura may cause abnormal gastrointestinal function, to avoid eating greasy and spicy food, easy to aggravate the burden on the stomach and intestines, thus aggravating the condition. 3. Renal purpura should eat less food with high protein content to avoid aggravating the burden on the kidneys. 4. Leukemia and other malignant blood diseases caused by purpura should avoid eating spicy stimulation and unclean food, so as not to increase the risk of infection and other complications. The patient with purpura should consult a regular hospital in time, and receive regular treatment under the guidance of a physician after clarifying the cause of the disease.