Solid beverage capable of improving immunity of human body and preparation method of solid beverage

The invention relates to the technical field of solid beverages, in particular to a solid beverage capable of improving human immunity and a preparation method of the solid beverage. The invention relates to a solid beverage capable of improving human immunity. The solid beverage comprises the following components in parts by weight: 80-120 parts of composite polypeptide, 10-25 parts of pachymaran, 10-25 parts of yeast beta-glucan and 30-40 parts of bovine colostrum powder, the composite polypeptide comprises one or more of poria cocos peptide powder, bovine bone collagen peptide, ginseng peptide powder and calf thymosin peptide powder. The preparation method comprises the following steps: mixing the composite polypeptide, the pachymaran, the yeast beta-glucan and the bovine colostrum powder, drying, and sterilizing to obtain the solid beverage capable of improving the immunity of the human body. The solid beverage capable of improving the immunity of the human body has the advantages of promoting metabolism