Cutaneous purpura is generally referred to as purpura simplex, and the etiology is unclear. Patients may present with ecchymosis and petechiae of the skin, etc. No treatment is required for this condition, but patients should avoid the use of non-steroidal anti-inflammatory drugs. The cause of purpura simplex is not clear, which may be related to abnormal hormone levels, abnormal platelet function, abnormal capillary walls and other causes. Patients often in the double lower limbs, a few seen in the double upper limbs, trunk and other parts of the skin appear petechiae, petechiae and other skin purpura symptoms, as well as gum bleeding, menstrual bleeding, menstruation, menstrual period prolongation and other bleeding manifestations. Patients appearing in simple purpura do not need to take special treatment, but patients should avoid the use of non-steroidal anti-inflammatory drugs, such as ibuprofen, aspirin and so on. It is recommended that patients with skin purpura need to consult a doctor in time, the doctor will choose the appropriate measures for the cause of the treatment. Drugs need to be used in accordance with medical advice.