The price of a bottle of sodium chloride injection is probably in the range of a few dollars to tens of dollars. Sodium chloride injection can be used as a solvent, can be used to treat hypotonic, isotonic and hypertonic and other causes of water loss; can also be used for the treatment of hypochloremic metabolic alkalosis; external saline rinsing eyes and washing wounds and so on. Generally, the price of a bottle of sodium chloride injection is about a few dollars to dozens of dollars, the specific price is not clearly defined, and specifications, local consumption level, purchase channels and drug manufacturers and other factors. Patients can choose to buy from local pharmacies or hospitals. The drug must be used under the guidance of a doctor. If the infusion is too much and too fast, it may lead to water and sodium retention, causing the body to suffer from edema, increased blood pressure, dyspnea and other adverse reactions. It is contraindicated in hypertensive syndrome of pregnancy. When using the medicine, if there is a foreign body in the bottle or there is a color change, you need to stop using the medicine.