How much is a bottle of physiological saline? Physiological saline is sodium chloride. Physiological saline is currently the predominant lysing agent in medical clinics. For infusion, saline is most commonly used; for flushing the surgical cavity, saline is most often used. How much does a bottle of saline cost? The first, lies in the volume of saline. It has 500mL, 250mL, 100mL, 1000mL, and 3000mL. Capacity is different, the price is different. The second, is that different manufacturers produce, different levels of technology, may also have an impact on the price. The third, is the different economic development regions. Developed areas may be more expensive, less developed areas may be cheaper. Regardless of the factors, a 500mL bottle of saline is always about 10 yuan, or even 10 yuan or more. Relatively all are cheap, because it is only saline.