Lymphangioma of the leg needs to be treated. Lymphangioma is a benign congenital disease, it is a kind of tumor caused by the endothelial cells’ own proliferation. Lymphangioma will continue to grow if it is not cured in time, so patients should be treated in time. Lymphangioma treatment methods mainly include drug treatment, surgery and laser treatment. 1. Drug treatment: lymphangioma of leg can be treated with sclerosing drugs, such as bleomycin, ethanol, polydocanol and so on. Mainly, these sclerosing agents are injected into the location of the lesion, which prompts the swelling in the area to shrink and necrosis, so as to achieve the therapeutic purpose. Drugs should be used under the guidance of a doctor. 2. Surgery: Lymphangiectomy, which is mainly to remove the lymphangioma and the diseased tissues around the lymphatic vessels or all the affected tissues, belongs to the radical means. 3. Laser treatment: mainly applied to superficial lymphatic malformation, especially in the case of local infection, laser light irradiation can be used to promote the local malformation necrosis and atrophy, and at the same time, it can also play the role of anti-inflammatory and anti-infection. For leg lymphangioma patients should go to the regular hospital in time to consult, follow the doctor’s instructions to receive treatment.