Hemorrhagic purpura is a bleeding disorder due to thrombocytopenia, which manifests as skin petechiae and ecchymosis, blood oozing from the gums, blood blisters in the mouth, nosebleeds, and even blood in vomiting, blood in the stool and hematuria, which is a bleeding disorder. 1. Skin: multiple petechiae appear, mostly scattered and distributed on the lower legs, buttocks, upper arms and so on. 2. mucous membrane bleeding: common are nose bleeding, gastrointestinal bleeding, genitourinary bleeding, vaginal bleeding and massive bleeding after surgery. The course of the disease can develop rapidly, the patient suddenly purpura, nasal cavity, bladder, gastrointestinal, uterine and renal pelvis and other places of mucous membrane bleeding, in a few hours can be trapped in the state of anemia. It can also be chronic and requires further consultation in the hospital to determine the cause and treatment.