The invention provides a preparation for enhancing immunity and a preparation method thereof. The preparation consists of the following components in parts by mass: 10-15 parts of dendrobium candidum powder, 4-10 parts of notoginseng powder, 1-1.5 parts of astragalus root extract, 0.2-0.5 part of fructus corni extract, 0.1-0.4 part of red sage root extract, and 98-105 parts of honey. The preparation method comprises the steps of uniformly mixing the dendrobium candidum powder, the notoginseng powder, the astragalus root extract, the fructus corni extract and the red sage root extract, then adding the honey, and uniformly stirring to obtain the preparation for enhancing the immunity. The preparation is suitable for persons with low immunity, can enhance the immunity of human bodies, and has the advantages of quick and obvious effect, high safety, low cost, simplicity and convenience in operation and the like.