Composition for reducing side effect of vomiting of medicine as well as preparation method and application of composition

The invention discloses a composition for reducing the side effect of medicine vomiting as well as a preparation method and application thereof, and relates to the technical field of health food. According to the composition provided by the invention, the Chinese wolfberry fruit powder, the mulberry leaf powder and the inactivated lactic acid bacteria powder are compounded to serve as key effective components, and the protein powder is supplemented, so that the composition has the effects of reducing side effects caused by stimulation of medicines to the stomach and reducing vomiting caused by the medicines; the protein powder can effectively wrap the active ingredients, reduce the decomposition of the active ingredients by gastric acid as much as possible, and enable key ingredients to directly reach intestinal mucosa. When a patient using a GLP-1 medicine takes food containing the composition in a matched mode, the inactivated lactic acid bacteria thalli and polysaccharide components in the composition can