Often soak feet feet black considering the use of some traditional Chinese medicine, varicose veins of the lower extremities, post-inflammatory pigmentation, etc., the main treatment is to change the way of foot washing, medication, surgery and so on. 1. The use of some traditional Chinese medicine: If you choose some traditional Chinese medicine to soak your feet, the ingredients of traditional Chinese medicine will penetrate into the skin and cause the skin to blacken, you should stop using traditional Chinese medicine to soak your feet, and you can wash your feet with water more often, and for the patients who have to use medicines to soak their feet, you can wait for the stopping of medicines to recover gradually. 2. Varicose veins of the lower limbs: this disease will lead to poor blood circulation in the lower limbs, the condition of a longer period of time will appear in the lower limbs of the skin nutritional changes in symptoms, such as hyperpigmentation, skin desquamation, subcutaneous tissues hard knots and so on. It can be treated with oral medicines such as MaiZhiLing and Diosmin, and for serious cases, surgical treatment including traditional surgery, intracavitary laser and radiofrequency can be carried out. 3. Post-inflammatory pigmentation: some patients with skin diseases of the feet, such as chronic eczema, psoriasis, etc., these diseases will use some hormone creams during treatment, and there will be different degrees of pigmentation after recovery. This situation generally does not require special treatment, active treatment of underlying diseases, pay attention to foot hygiene can be. Often soak your feet feet black, you can go to the hospital, by the doctor according to the specific conditions, to develop an individualized diagnosis and treatment plan, so as not to delay the condition, avoid self-medication.