White spots on the nails or mica-like, indicating a lack of calcium and silicon and other trace elements, and parasites, such people are prone to nervousness, irritability, habitual constipation. White spots or flocculent white spots on the nails may indicate zinc deficiency or gastrointestinal disease or anemia. Roughness and lack of luster with grooves, longitudinal stripes, white spots, and abnormal proportion of the circle of health are signs of poor health. White spots on the nails are common and usually recurring. Some people say that this is a sign of poor gastrointestinal function, but there is no medical basis for this. Because of long-term exposure, the nails are vulnerable to injury, such as fingers stuck in the doorway, nails are squeezed, collision, etc., resulting in the root of the nails in the process of generating the nail matrix cells are damaged, there will be white spots, if the damage to the nail bed, the nails under the lobe will also appear hemorrhagic. Don’t worry though, as the nail grows upwards it will eventually be cut off. Although there is no clear medical explanation for the mechanism of white spots on nails, we have found in our clinical work that some children with calcium and zinc deficiencies will develop this condition. We recommend that you take your child to the hospital for a micronutrient examination to determine the cause and treat accordingly. Protein nails, also known as white spot nails, are caused by disease or nail injuries where air enters the inner layers of the nail. If the nails are not loose and there are no other abnormalities, you can have nail polish or crystal nails.