Henoch purpura is common in school-age children. In the early stage of the disease or when the rash is obvious, you should pay attention to limiting the intake of foreign proteins, and in the recovery period, you should pay attention to gradually increasing the number of single food items, and checking the urinary routine on a regular basis. 1. Early stage or obvious rash: the cause of purpura is very complex, food allergy or infection is a common trigger or aggravating factors, when the rash is obvious the body is hypersensitive, should limit the intake of heterogeneous proteins, such as milk, eggs, fish, shrimp, crabs, seafood, beef and mutton, soy products, etc., and usually focus on a light diet. 2. Recovery period: no new rash for about 2 weeks can gradually increase the single food, 3~5 days without recurrence of the disease can be added to another, if the emergence of purpura will immediately stop eating the food, first add non-crude fiber vegetables, fruits, and finally add animal protein, supplement food rich in vitamin C. Usually pay attention to rest, avoid excessive activities, alternating activities and rest, rest is the main. Henoch purpura may involve the kidneys, pay attention to regular urine routine check.