Toenails are generally referred to as toenails, and white clumps on toenails are first considered to be caused by non-disease factors, such as a lack of zinc in the body or the irritating effects of chemicals on the toenails. However, toenail with white lumps may also be a manifestation of a number of diseases, such as nail fungus as well as intestinal parasitic diseases, which can cause toenails with varying degrees of white lumps. I. Non-disease factors: 1. Lack of nutrients: If the body is malnourished due to insufficient intake, metabolic abnormalities and other factors, and the patient’s body lacks zinc, white lumps will appear on the toenails, which generally do not protrude from the nail surface. After the diagnosis is confirmed by testing the amount of trace elements, zinc gluconate can be taken orally for treatment. 2. Chemical substances attack: Nitric acid, nitrite, and concentrated sodium chloride solutions can cause white lumps on the toenails when they come into contact with them. Generally avoid the above chemicals on the toenail stimulation, toenail through the growth of the receding will return to normal. The nail is usually caused by fungal infections. When the toenail is infected with fungus, it will appear white and the thickness of the toenail will increase, the texture will be brittle, and in serious cases, the toenail will split and fall off. At this time, patients can use glacial acetic acid or tincture of iodine to rinse the affected nail, and then apply topical amorolfine hydrochloride application, clobetamine cream and other drugs for treatment, but also oral antifungal drugs such as itraconazole, terbinafine, etc. to treat; 2, intestinal parasitic disease: common in children, children with intestinal parasitic disease may appear to have white blocks in the toenails, as well as the phenomenon of unevenness. Generally accompanied by grinding teeth in bed, decreased appetite, abdominal pain, anal itching and other symptoms, you need to consult a doctor to confirm the diagnosis, timely use of drugs, such as albendazole to deworming treatment.