When a patient presents with vertical lines on the nails, the first thing to consider is the normal nail pattern. If the patient has relatively regular vertical lines on the nails and does not have any discomfort symptoms, it is judged to be a nail longitudinal groove, which is a normal nail pattern and does not need to be treated with special means. In addition, do not rule out the possibility of over-fatigue, trauma, digestive system disorders, skin diseases, skin tumors and other abnormal phenomena caused by: 1, over-fatigue: patients with significant vertical lines on the nail, it may be in the body in a state of fatigue, mainly due to stay up late, poor mood, stress and other factors. Usually, the patient after adjusting the work and rest, full rest, nail vertical symptoms will be alleviated; 2, trauma: if the patient’s nails are smashed, pinched and other minor trauma, will also lead to nails appear deep, dark brown vertical lines. At this time, patients do not need to worry too much, after the gradual growth of nails, vertical lines will naturally disappear; 3, digestive system disorders: If the patient’s nails not only have vertical lines, but also accompanied by white spots, it is possible that the internal organs dysfunction, commonly for poor digestion and absorption, the body is in a state of malnutrition, you need to adjust the diet structure, more intake of apples, bananas, cabbage, soy products and other vitamin-rich and dietary The food that is rich in vitamins and dietary fiber is good for the body’s dietary balance; 4, skin diseases: flat moss, psoriasis, eczema, baldness and other disease factors can also cause the patient’s nails have vertical lines, or even nail loss. Patients should seek medical advice in a timely manner and follow the doctor’s instructions to use retinoic acid, adapalene, tazarotene and other retinoid drugs to relieve nail flaking, as well as taking vitamin B and vitamin C to improve their own constitution and facilitate wound recovery. In addition, patients should also use glucocorticoid drugs, commonly prednisone to improve the lesions under the guidance of a doctor; 5, skin tumors: hemangioblastoma, perineal mucinous cystic tumor, perineal fibroma, etc. can cause longitudinal ridges or longitudinal furrows in the nail, and often a single nail symptoms, patients need to promptly consult a doctor, the use of surgical treatment.