Capillary dilation is usually a persistent dilatation of various small blood vessels beneath the skin or mucous membranes that appear red, purple, etc. Simple capillary dilation on the legs, general skin dilation resulting in red blood, if there are no uncomfortable symptoms, can be left untreated. Usually more exercise to promote blood circulation in the lower limbs, reduce long-term standing, etc. can be improved. If you think it affects your appearance, you can take medication and laser treatment to relieve it.1. Medication: including oral medication and injectable medication. Under the guidance of a doctor, oral medication can be taken to unblock blood vessels, activate blood circulation, and soften blood vessels to help restore blood vessel elasticity and blood circulation within the vessels to normal. If the local capillary dilation has caused an infection at the same time, the transfer factor and other drugs can be injected under the guidance of a doctor to inhibit the further spread of infection, as well as control the condition to prevent further deterioration; 2, laser treatment: the laser can act on the lesion of the blood vessels, so that the elasticity of the blood vessels to restore, the blood flow rate is normal, helping to reduce the symptoms of red blood. In addition, for patients with capillary dilation on the legs, attention should be paid to improving dietary habits and eating more fresh fruits and vegetables to replenish the nutrition and collagen needed by the skin. You can exercise with appropriate aerobic exercises such as jogging and brisk walking to strengthen your body and prevent this phenomenon. You need to pay attention to protection, use loose, cotton clothing, bathing water temperature appropriate, avoid too hot and too cold.