Nail softness may be related to personal constitution, over-stimulation, etc. According to the cause of the disease, we need to carry out calcium supplementation, avoid stimulation and other treatments, so as to make it strengthened or even hardened. 1. Individual constitution: when the patient’s physical condition, nutritional status is not good caused by the lack of micronutrients, it will cause soft nails, you need to pay attention to a balanced diet, dietary diversity, eat more shrimp, seaweed and other foods. In addition, when the body lacks calcium, can also cause soft nails, can increase the intake of calcium-rich foods, such as milk, etc., more sunshine, to promote the absorption of calcium. 2. Excessive stimulation: long-term contact with hot water, high alkaline detergents, some organic solvents may cause nail softening, patients need to reduce the number of contacts or increase the number of protective measures, such as wearing gloves. When patients have soft nails, they need to go to the hospital in time to clarify the cause of the disease and actively treat it.