Patients with dimpled nails may suffer from dimpled nails. It may be related to iron deficiency anemia, trauma, fungal infections, hyper or hypothyroidism, exposure to chemicals and detergents, etc. It usually affects one or more fingers, and is mainly manifested by the depression of the nail plate in the center, the hypertrophy and elevation of the lateral margins, pain in the heavier part of the depression, and roughness on the surface of the nail plate. Nail depression is recommended to go to the hospital in a timely manner to improve the examination, to clarify the cause of the disease, and then for the primary cause of the symptomatic treatment. During the treatment, take medication as prescribed by the doctor, pay attention to the hygiene of the nails, avoid external stimulation of the nails, eat a balanced diet, do not picky about food, is conducive to the improvement of the symptoms.