The invention relates to a tricholoma matsutake micromolecular peptide compounded nutritive peptide water beverage and a making method thereof, and belongs to the technical field of liquid processing.A new beverage is provided for the market. The making method comprises the following steps of taking tricholoma matsutake micromolecular peptide powder as a main material, wherein the tricholoma matsutake micromolecular peptide powder has the efficacy of strengthening essence, nourishing the kidney, nourishing the brain, benefitting intelligence, resisting cancer, benefitting the intestine and the stomach, relieving pains, regulating vital energy, expelling intestinal parasites, resisting radiation and resisting ageing; then taking polysaccharide, vitamins, trace elements, essential oil and the like as auxiliary materials; weighing the main materials and the auxiliary materials, performing mixing in different ratio, performing drying and performing packaging to obtain mixed peptide powder; and taking purified water conforming to the national standard, and mixing and blending the mixed peptide powder with the purified water in the ratio of the mixed peptide powder to the purified waterbeing 1 to 50 so as to obtain the peptide water beverage. The nutritive peptide water beverage has the efficacy of supplementing nutrition.