Ankle is the ankle, ankle melanosis need to be treated according to the cause of the symptomatic treatment, usually using medication, laser treatment, surgical treatment and other methods to remove, common causes include melanosis, varicose veins of the lower limbs and so on. 1. Melanosis: If the patient suffers from certain itchy skin diseases at the neck of the foot, such as chronic eczema, atopic dermatitis, neurodermatitis, etc., which may cause melanosis, the primary disease can be treated first. After the primary disease is cured, hydroquinone cream and arbutin cream can be used topically, and laser treatment can also be used to remove it. 2. Varicose veins of the lower limbs: Varicose veins of the lower limbs is a disease caused by the dysfunction of superficial veins of the lower limbs. If the patient has a long course of the disease, the skin in the neck area of the feet may appear atrophy, desquamation, and melanin precipitation and other symptoms. You can use topical Mucopolysaccharides Polysulfate cream, take Mazolin tablets orally, etc. If necessary, you need to have surgery for varicose veins. All of the above drugs should be used under the guidance of a doctor. Ankle melanin precipitation may also have other causes, it is recommended to go to the hospital in a timely manner to improve the examination, to clarify the cause of the disease and then give targeted treatment.