Empty nails may be caused by nail fungus, lichen planus, psoriasis and other diseases, according to the different diseases can be used in different ways of treatment. 1. Nail fungus disease: For nail fungus disease caused by the empty half of the nail without meat, daily to keep the local dry and clean, avoid nail injury. Serious patients can follow the doctor’s instructions oral terbinafine, itraconazole and other antifungal drugs, with bactericidal effect. 2. lichen planus: if lichen planus caused by the nails empty half not even meat, the patient can follow the doctor’s instructions for external use of glucocorticoid cream, such as halometasone cream, fluticasone propionate cream, etc., with anti-inflammatory effect. 3. Psoriasis: For psoriasis caused by half empty nails without meat, daily attention to personal hygiene, regular nail clipping. Patients can follow the doctor’s instructions for external use of vitamin D3 derivatives, such as carbotriol, tacalcitol, etc., can inhibit cell proliferation. There are many reasons why the nails are half empty and not attached to the flesh, we suggest that the patient go to the hospital, after clarifying the cause of the disease, standardized treatment.