Glucose is an organic compound that is the most widely distributed and important monosaccharide in nature. Glucose is an important monosaccharide that is widely distributed in nature and is also a polyhydroxyaldehyde. Glucose is a source of energy for living cells and an intermediate product of metabolism. Pure glucose is colorless crystals and has a sweet taste but not as sweet as sucrose. In addition, glucose can also be used as a medicine to replenish body fluids and energy, and can be used to treat various causes of massive fluid loss or underfeeding, starvation ketosis, hypoglycemia, hyperkalemia, total intravenous nutrition, and used to dilute medications and prepare peritoneal dialysis solutions. Patients who require the use of glucose are advised to consult a physician.