The blackening of fingers after induced abortion may be caused by sunlight exposure, exposure to melanin substances, lack of trace elements, inflammation stimulation, etc. It can be dealt with by decreasing sunlight exposure, decreasing exposure to melanin substances, supplemental nutrition, and anti-infection treatment. 1. Sunlight irradiation: after induced abortion, the hand is exposed to sunlight for a long time, and the fingers are exposed to ultraviolet rays, which causes the melanocyte function of the hand to increase, and the synthesis of melanin increases to show that the fingers become black, so after induced abortion, pay more attention to the indoor rest, try to minimize the sunlight irradiation, and the hand can be well-protected, and it may improve the symptom. 2. Contact with melanin substances: after induced abortion, the fingers contact with crayons, watercolors, oil and other melanin-containing substances, melanin invasion of the skin can not be washed will show the fingers become black, usually try to avoid contact with these melanin substances, and gradually will improve the symptoms. 3. Lack of trace elements: excessive weight loss after induced abortion dieting or picky eating may lead to a lack of trace elements in the body, lack of zinc, iron, copper and other substances, affecting the normal metabolic process caused by the finger black, diet should pay attention to nutritional supplements, eat milk, spinach, tomatoes, broccoli, eggs, beef and other foods. 4. Inflammatory stimulation: after induced abortion, the skin of the hand repeatedly occurs eczema, dermatitis, inflammatory stimulation can be caused by the hand melanocyte function to strengthen the melanin deposition of black fingers after black, with the use of compound flumethasone cream, cetirizine and other medications, and then improve the symptoms. There are many reasons for the blackening of the fingers after induced abortion, and it is recommended to consult a doctor in time if it is serious.