The utility model discloses a medical ozone-water generator which has safe use, high ozone-water concentration and convenient use and comprises a shell body (1), a metering seal water tank (14), an ozonizer (9), an ozone end-gas eliminator (18), an air blast head (15) and a water outlet tap. The metering seal water tank (14) and the ozonizer (9) are arranged in the shell body (1). The gas outlet of the ozonizer (9) is communicated with the air blast head (15) arranged at the bottom of the metering seal water tank (14) by a gas intake pipe (11). The top of the metering seal water tank (14) is communicated with the ozone end-gas eliminator (18). A water outlet is arranged at the bottom of the metering seal water tank (14) and communicated with the water outlet tap. The medical ozone-water generator has the advantages of simple operation, convenient use, being available after production any time and economical price, and can be applied to the treatment of diseases, such as oral disease, throat disease, gastric disease, duodenum disease, etc.