What happens when children lose their nails?

Children's nail loss may be caused by the following conditions: 1. Too much selenium in the body, because the child is a long body, mothers will usually buy some nutrients to supplement the baby, which may lead to too much selenium and other nutrients in the child's body, so the child will show nail loss;2. Lack of vitamin A, usually partial eclipse, do not like to eat radish, fish and other foods rich in vitamin A, thus leading to the child's nail loss; 3. Onychomycosis, nail infection with fungi will lead to onychomycosis, and show the phenomenon of nail yellowing and thickening, falling off, and accompanied by itching and other performance.