Vertical lines on the nails are not a sign of a serious illness, and it is unreasonable to predict an impending illness just by the appearance of a certain part of the body. Vertical lines on the nail, which spread from the root to the tip of the nail, are a common phenomenon, mainly in children and the elderly, and are related to structural changes in the nail itself, which are not obvious and relatively regular, so there is no need to worry. In addition, vertical nail lines run in families, so if you are born with vertical nail lines and have no other symptoms, you can leave them alone for now. If there are unexplained vertical lines on the nail, it may also be due to exposure to chemical substances, malnutrition, excessive fatigue, skin diseases, gastrointestinal dysfunction, liver and kidney disease, anemia, trauma and other reasons, should be actively looking for the cause to improve the nail vertical lines. 1, exposure to chemical substances: long-term exposure to some chemical substances, such as washing dishes, washing clothes, direct contact with detergents, or long-term nail polish, etc., can The nails become dry, thus appearing vertical lines. It is advisable to wear gloves to protect your nails when doing daily chores, and you can use some hand cream to moisturize your nails to prevent a large loss of nail moisture and avoid long-term nail polish. 2, poor nutrition: recent poor nutritional status or nutritional absorption disorders may also lead to nail vertical lines, such as calcium ion deficiency, nails will be rougher and appear white spots; vitamin A The lack of vitamin A, vertical lines are often more obvious, and dry nails. The actual nail structure can also be changed by skin diseases such as lichen planus, follicular keratosis, and chronic eczema, which can lead to vertical lines. This kind of disease, in addition to nail changes, often accompanied by skin damage, such as papules, plaques, itching, etc., it is recommended that timely medical treatment, the cause of treatment. 5, gastrointestinal dysfunction: gastrointestinal dysfunction may lead to nails appear more fuzzy vertical lines, should promptly seek medical treatment, gastrointestinal function, such as taking domperidone, bismuth potassium citrate, etc. to promote gastrointestinal dynamics, to protect the gastric mucosa, omeprazole, pantopara The actual nails are also uneven and uneven due to abnormal liver function and kidney disease, which can be treated after the doctor’s examination. 7, anemia: anemic patients may have rough, dull and uneven nails due to insufficient blood supply. It is recommended to follow medical advice to supplement iron or vitamin B12, etc., to relieve the symptoms of anemia. You can eat iron-rich foods such as animal liver, duck blood, spinach, etc. 8, trauma: nails are traumatized, which can damage the nail structure and may also lead to vertical lines on the nail surface, daily attention should be paid to protect their fingers and avoid bumping.