Sodium Potassium Magnesium Calcium Injection generally refers to Sodium Potassium Magnesium Calcium Dextrose Injection, which has the effect of rehydrating and maintaining electrolyte balance in the body. Sodium potassium magnesium calcium dextrose injection is a kind of compound preparation, mainly composed of sodium chloride, potassium chloride, magnesium chloride, sodium acetate, sodium citrate, calcium gluconate, glucose and other ingredients. It can mainly replenish water and electrolytes such as sodium, potassium, magnesium and calcium ions to maintain the electrolyte balance in the body. The main adverse reaction after infusion of this drug is that it may cause symptoms of arrhythmia, but it is generally rare. When infused in large quantities or rapidly, it can cause adverse reactions such as cerebral edema, pulmonary edema, and peripheral edema. The drug is contraindicated in patients with hyperkalemia, hypercalcemia, hypomagnesemia, and hypothyroidism. When the patient is infused, the family should pay attention to observe the patient’s reaction, and notify the doctor in time for treatment if there is fever and edema.