1. Mannitol is a good diuretic in medicine, reducing intracranial pressure, intraocular pressure and treatment of kidney drugs, dehydrating agents, sugar substitutes, excipients used as tablets, and solid and liquid diluents. As a high-permeability antihypertensive drug, mannitol injection is a commonly used drug for clinical rescue, especially for the rescue of brain diseases. It has the characteristics of quick blood pressure reduction and accurate curative effect required for reducing intracranial pressure drugs. As a vehicle excipient, mannitol has no hygroscopicity, fast drying, good chemical stability, and has the characteristics of refreshing and granulating, and is used for anticancer drugs, antibacterial drugs, antihistamines and vitamins. Part of the tablet. In addition, it is also used for chewing tablets such as hangover medicines and oral fresheners. 

2. In terms of food, the product has the least water absorption in sugars and sugar alcohols, and has a refreshing sweet taste, which is used for the anti-sticking of foods such as maltose, chewing gum, and rice cake, and as a release powder for general cakes. It can also be used as a low-calorie, low-sugar sweetener such as food for diabetes patients and bodybuilding foods.

3. In the industry, mannitol can be used in the plastics industry to produce rosin esters and artificial glycerin resins, explosives, detonators (nitrified mannitol) and the like. It is used for the determination of boron in chemical analysis, as a bacterial culture agent for biological tests, and the like.