ITP refers to primary immune thrombocytopenia, also called idiopathic thrombocytopenic purpura. Primary immune thrombocytopenia can be divided into acute and chronic, acute primary immune thrombocytopenia is generally more acute, can be found in the whole body of the skin or mucous membrane bleeding, need to be actively symptomatic treatment, the general prognosis is relatively good. Chronic primary immune thrombocytopenia has a more insidious onset, with small bleeding dots on the skin, which can be easily overlooked by patients. Primary immune thrombocytopenia can be diagnosed based on laboratory tests, clinical manifestations, etc. After clarification, active symptomatic treatment is necessary to avoid the transition from acute to chronic. If the patient has any discomfort or suspicious symptoms, it is recommended to consult the doctor in time to avoid delaying the condition.