There are several obvious longitudinal stripes on the nail to form ridges called longitudinal ridges, which are symbols of long-term neurasthenia and aging. Easy to appear: 1. Neurasthenia, long-term insomnia, dreaminess, easy to wake up, difficult to sleep.

2. Consumptive diseases and physical exhaustion (such as physical and mental fatigue syndrome)

3. Poor immune function, easy to catch a cold, and have many colds.

4. If the longitudinal stripes are particularly obvious, they are often pathological longitudinal stripes, indicating that the body has suffered too many diseases.

5. Don't pay attention to things when the nail bed has black vertical lines. This is a sign of weak liver and kidney function and accumulation of toxins. Liver and kidney function has the detoxification function of excreting waste in the body. When the liver and kidney function is weak, the waste in the body cannot be excreted. Due to contact with tumor patients who pollute the environment, pollute the diet and contain too many pesticides and heavy metals in the food, black vertical stripes often form on the deck after excessive accumulation of drug toxins such as chemotherapy or severe gastroenteritis and diarrhea.