Solid beverage capable of improving excessive internal heat body constitution characterized by oral ulcer, and preparation method thereof

The invention provides a solid beverage capable of improving excessive internal heat body constitution characterized by oral ulcer, and a preparation method thereof, and belongs to the technical fieldof functional foods. A purpose of the present invention is to solve the problems of side effect, poor improvement-effect and the like of the existing oral ulcer treating drugs. The solid beverage comprises, by mass, 32-75% of cow milk protein, 1-8% of cow milk fat, 5-50% of cow milk immunoglobulin G, 0.5-3% of cow milk lactoferrin, and 1-8% of water. According to the present invention, the solidbeverage is prepared with various components through the freezing production process, such that the biological activity of each component in the obtained solid beverage can be effectively maintained and can be effectively provided; the biological mechanism of the direct adsorption with the oral mucosa, the antibacterial property of saliva can be effectively improved; and all the obtained components are taken from the food