Preparation method of radix ginseng rubra powder, radix ginseng rubra instant tea powder and preparation method of radix ginseng rubra instant tea powder

The invention discloses a preparation method of radix ginseng rubra powder, radix ginseng rubra instant tea powder and a preparation method of the radix ginseng rubra instant tea powder. The preparation method of the radix ginseng rubra powder includes the following steps: washing fresh radix ginseng, performing draining, performing steaming, and performing cooling to obtain a radix ginseng rubraexudate and steamed radix ginseng rubra; performing concentration on the radix ginseng rubra exudate until the soluble solid content is 18-20 degreeBlix to obtain a concentrated exudate; performing first-stage drying on the steamed radix ginseng rubra at a first temperature, coating the surface of the steamed radix ginseng rubra with the concentrated radix ginseng rubra exudate, performing second-stage drying at the first temperature, dicing the steamed radix ginseng rubra, performing third-stage drying at the first temperature, performing cooling to a second temperature, and performing fourth-stage drying to obtain a