Loquat leaf and bolete composite plant beverage and preparation method thereof

The folium eriobotryae and bolete composite plant beverage is prepared by the following steps: preparing raw materials of liquorice, bolete, fructus gardeniae, folium eriobotryae, bamboo leaf flavone, fructo-oligosaccharide and purified water; the preparation method comprises the following steps: putting 0.5-1.5 parts by weight of liquorice, 4-6 parts by weight of bolete, 8-12 parts by weight of fructus gardeniae, 4-6 parts by weight of folium eriobotryae and 158-190 parts by weight of purified water into an extraction tank, carrying out reflux extraction for 3-5 times, and respectively filtering liquid obtained by 3-5 times of reflux extraction to obtain feed liquid; concentrating the feed liquid under reduced pressure until the relative density is 1.06-1.12 to obtain concentrated feed liquid; the invention aims to provide the loquat leaf and bolete composite plant beverage which is refreshing and fine in taste when being drunk, can enhance the immunity of people and improve the microcirculation of organisms