Redness on legs may be due to local skin atrophy, varicose veins of lower limbs, superficial phlebitis, and its treatment usually includes general treatment, medication, physical therapy, surgery and other methods. 1. Local skin atrophy: If the local skin atrophy, the small blood vessels under the skin may show up, which is manifested as redness, this condition usually does not affect the health, and no special treatment is needed. 2. Varicose veins of the lower limbs: varicose veins of the lower limbs may also appear to look like red blood, and generally require comprehensive management. (1) Improvement of life style: Generally, it can be improved by changing life style such as avoiding sedentary lifestyle, standing for a long time, elevating the affected limbs when resting, wearing elastic stockings and so on. (2) Medication: Oral medication such as Diosmin can be taken. (3) Physiotherapy: such as laser, radiofrequency, etc., or local injection of sclerosing agent and other methods of treatment, and if necessary, surgical treatment can also be taken. 3. Superficial phlebitis: Superficial phlebitis is a thrombotic inflammation that occurs in the veins of the superficial parts of the body and can also look like red blood. It is usually treated by using antibiotics such as amoxicillin, anticoagulant drugs such as low molecular heparin, etc. It can also be treated by local injection of sclerosing agents and surgery. As you can see, red blood on the legs, if it is very serious, it is recommended to seek medical attention to clarify the cause of the disease, and under the guidance of the doctor for treatment. All of the above medications should be used in accordance with medical advice.