Dilated capillaries in women’s legs are caused by a decrease in the elasticity and increased fragility of the leg capillaries, resulting in uneven capillary dilation in women’s legs. Some patients can show flushing on the surface of the skin, or dilated capillaries can be observed. The causes of capillary dilation in women’s legs may be external factors, genetic factors, disease factors, etc. 1, external factors: If the female leg skin is stimulated by physical factors such as impact, extrusion, high heat, cold, or stimulated by chemical factors such as drugs and poor quality cosmetics, it may lead to capillary dilation in the female leg. Generally after excluding the stimulating factors for a period of time will recover, no special treatment is required; 2, genetic factors: women who suffer from capillary dilation ataxia syndrome, hereditary bleeding capillary dilation and other genetic diseases, will also appear leg capillary dilation. Capillary dilation due to genetic factors, in addition to the legs, capillary dilation may also appear in other parts of the body, such as the face, hands, etc. There is no better treatment for hereditary capillary dilation for the time being, and treatment should be directed at the symptoms of bleeding or anemia in the body. Under the guidance of doctors, drugs such as phenolsulfonamide are used to stop bleeding, together with oral iron and iron dextran injection to improve anemia. If repeated bleeding occurs, treatment can be carried out by means of surgical treatment; 3. Disease factors: If women suffer from varicose veins, vascular nevus, hemangioma, dermatomyositis and other diseases in the legs, it may lead to capillary dilation in the legs. Capillary dilation due to disease, should be treated for the primary disease. Usually the symptoms of capillary dilation will be relieved after the disease is effectively treated. Local injection of vascular sclerosing agent is also available to prevent further capillary dilation; 4. Other factors: the skin of female legs may become relaxed with age, and the walls of leg vessels become thinner, resulting in capillary dilation in female legs. Generally do not need to carry out special treatment, you can moderately enhance exercise, promote blood circulation, with the use of skin care products to slow down skin aging. For women who are obese, in pregnancy, standing for a long time, or performing heavy physical activities for a long time, they may also have weakened blood vessel wall elasticity and blood return obstruction, resulting in capillary dilation in the legs. Blood circulation can be promoted through moderate exercise to improve the health of the body. If women have obvious symptoms of capillary dilation on their legs that affect their beauty, they can consider whether to undergo physical treatment methods such as laser treatment and photon therapy under the guidance of a doctor. It can remove the dilated capillaries and improve the symptoms of capillary dilation.