Dry powder inhaler for fresh mountain ginseng in forest as well as preparation method and application of dry powder inhaler

The invention provides a dry powder inhaler for fresh mountain ginseng in forest as well as a preparation method and application of the dry powder inhaler, and belongs to the technical field of pharmaceutical preparations. According to the present invention, the fresh understory ginseng extract is prepared and is prepared into the micro-powder by using the spray drying technology, the addition of the auxiliary materials is optimized, and the auxiliary materials comprise any one or more of mannitol, glycine, L-threonine, leucine, sorbitol and lactose. Research finds that the property difference of the micro powder prepared from different auxiliary materials is large, and the property of the micro powder prepared from mannitol as the auxiliary material is optimal, so that the mannitol can be selected as the auxiliary material, and meanwhile, the air inlet temperature, the liquid medicine mass fraction, the feeding volume flow rate and the like in the spray drying process are optimized. According to the present