The appearance of purplish-red blood on legs may be related to cold, stretch marks, varicose veins and other reasons, which can be relieved by general treatment, medication and surgery. 1. General treatment: when the human body is in a very cold environment, the blood circulation will be impaired, so that the superficial capillaries show purple color, resulting in the appearance of purplish-red blood on the legs of the patient, when given warming treatment can be relieved on its own. 2. medication: during pregnancy due to the rapid growth of the fetus, resulting in thinning of the skin stretch, elastic fiber fracture, through the color of the subcutaneous blood vessels and the formation of purplish-red, so that the patient’s legs appear purplish-red blood, that is, stretch marks, some studies have shown that the application of bitter almond oil, and massage, has a certain degree of relief, but can not be completely eradicated. 3. Surgical treatment: patients due to long-term standing work, sedentary, resulting in capillary expansion can not rebound, so that the legs appear purple blood. In severe cases, surgical ligation of veins is needed to relieve the problem. It is recommended that patients with purplish red blood on the legs consult a doctor in a timely manner to clarify the cause of the disease under the guidance of the doctor for standardized treatment, the use of drugs need to follow the doctor’s instructions, so as not to cause adverse consequences.