Mildly low blood phosphorus on an electrolyte test is not a big problem and can be supplemented appropriately, while severe phosphorus deficiency can lead to serious symptoms and even coma. Adults with blood phosphorus below 0.96 mmol/L are considered hypophosphatemic, and below 0.48 mmol/L will show clinical symptoms. Severe hypophosphatemia can lead to loss of appetite, nausea and vomiting, hemolysis, muscle pain, muscle atrophy, and in severe cases, convulsions and even coma. Mild hypophosphatemia may be caused by insufficient intake, appropriate supplementation can be, severe hypophosphatemia in addition to insufficient intake, often combined with other conditions, such as the application of drugs resulting in excessive phosphorus discharge, as well as calcium and phosphorus metabolism disorders and other diseases, you need to improve the relevant examination, to clarify the cause of the cause of the cause of treatment.