Toenail no nutrition need to actively adjust the diet structure and habits: first, can not eat too spicy food, such as chili, spicy strips, spicy hot pot, etc., easy to cause the loss of body nutrition; second, can not drink alcoholic beverages; third, can be appropriate more intake of food rich in vitamins and fiber, such as fruit, green vegetables, etc.; fourth, can be appropriate intake of high-quality protein, such as fish, shrimp, leaner beef, mutton, eggs, etc.; fifth, need to appropriate more intake of fruits rich in B vitamins and c-vitamins, such as kiwi, bananas, apples, duck pears, etc.; sixth, can appropriate more intake of foods rich in unsaturated fatty acids, such as peanuts, walnuts, sesame seeds, etc.; seventh, usually need to increase rest to promote the growth of nails, other precautions can go to the hospital to consult with the attending physician.