Pay attention to a balanced diet and avoid picky eating. Adequate consumption of foods rich in vitamins A and E, calcium, iron and other nutrients such as carrots, milk and eggs is helpful for the normal growth of the nail plate. However, most nail malnutrition has nothing to do with nutritional status. We first need to identify what the disease or cause of the nail abnormality is, and removing the cause is fundamental. The most common in life is trauma, followed by skin diseases.