Application of ginseng extract in preparation of film agent, ginseng oral film agent as well as preparation method and application of ginseng oral film agent

The invention belongs to the technical field of traditional Chinese medicine, and particularly relates to application of a ginseng extract in preparation of a film agent, a ginseng oral film agent and a preparation method and application of the ginseng oral film agent. According to the application of the ginseng extract in preparation of the film agent, a preparation method of the ginseng extract comprises the following steps: taking an ethanol water solution as an extraction solvent, and performing reflux extraction on ginseng to obtain the ginseng extract, the mass ratio of the ginseng to the ethanol water solution is (0.5-1): (6-8); the volume fraction of ethanol in the ethanol aqueous solution is 65-75%; the single extraction time of the reflux extraction is 0.5-1.5 h, and the number of times of the reflux extraction is 1-3. According to the method, ethanol is used as an extraction solvent, ginsenoside Rg1 is effectively carried out through reflux extraction, and a proper parameter range is limited, so th