What is white spot on fingernail to return a responsibility

White spots on nails may be caused by the following factors: 1. Parasitic infection. If the human body is infected with parasites such as ascaris, it will show white spots on nails;2. Lack of trace elements. The presence of calcium deficiency and other trace elements in the human body will also cause white spots on nails;3. Malnutrition. Generally, nails are soft and easy to break, nails will show punctate white spots, and most patients are accompanied by anemia symptoms;4. Onychomycosis. Hand skin or fingernails by fungal infection caused by onychomycosis, white spots under the void. Can go to the hospital dermatology, clear the cause of targeted treatment.