Normal values for blood phosphorus are 0.87 to 1.45 mmol/L (2.7 to 4.5 mg/dl). Elevated blood phosphorus is considered in acute and chronic renal failure, hypoparathyroidism, multiple myeloma, and rhabdomyolysis, all of which result in high serum inorganic phosphorus. Reduced blood phosphorus can be seen in gastrointestinal absorption disorders, severe vomiting caused by the loss of gastric juice that is metabolic alkalosis, hyperparathyroidism, severe respiratory alkalosis, rickets, etc. can lead to a decrease in serum inorganic phosphorus. It is recommended that patients with the above conditions go to a regular hospital in time, and standardize the treatment under the guidance of the doctor, so as not to delay the condition.