Growing nails that are white may be related to calcium deficiency, anemia or nail fungus. 1. Calcium deficiency. A single white nail may be calcium deficiency. At this time, we should supplement calcium in time. Pay attention to the diet, reasonable meals with meat and vegetables. 2. Anemia. If all 10 nails are white, it is mostly caused by anemia. Need to go to the hospital for auxiliary examination, and then take medication. Blood routine can clarify whether the patient is anemic. After the diagnosis of anemia, do the appropriate treatment. Anemia can be used to take iron, usually eat more iron containing food, such as fish, liver and other foods, can also eat vitamin C to promote iron absorption. 3. Nail fungus. Nails grow out to be white, and may be related to the nail fungal infection caused by ringworm, need to use antifungal drug treatment, such as terbinafine. In short, the nails are white need to go to the hospital in a timely manner, under the guidance of the physician for treatment and medication. At the same time in daily life to develop good habits, pay attention to dietary patterns, nutritional balance and comprehensive.