Toenail breakage is common in the following reasons: 1, trauma: when the toenail is hit by external forces or smashed will lead to nail breakage, generally do not worry too much, if there is no obvious local blood seepage and redness and swelling, waiting for the toenail growth can be, but if there is obvious blood seepage in the local area, you need to go to the hospital’s surgical or emergency department in time to deal with the need for local anesthesia will also need to be under local anesthesia part of the toenail excision, and then late for the Regular drug changes to prevent infection; 2, improper diet: when eating less vitamins, such as B vitamins or vitamin C, can lead to brittle toenails, less intake of unsaturated fatty acids food can also lead to brittle nails, which requires us to adjust the diet, appropriate intake of green vegetables, fruits, nuts, such as walnuts, peanuts, apples, duck pears, etc. to promote the growth of toenails.