The invention discloses a maca composite beverage. The beverage is prepared from raw materials of, calculated by 800 to 1200kg of the beverage: 10 to 20kg of maca, 10 to 30kg of okra, 1 to 5kg of male silk moth, 0.1 to 0.5kg of arginine, 0.1 to 0.5kg of potassium sorbate, 1 to 3.5kg of citric acid, 0.05 to 0.15kg of trichlorosucrose, and an appropriate amount of water. The maca composite beveragecontains no sugar and low heat. The beverage provides healthcare functions of fatigue resisting, pressure releasing, health enhancing, body strengthening, and male function enhancing. The invention also discloses the preparation method of the maca composite beverage. Maca, okra, male silk moth, arginine, citric acid, trichlorosucrose and potassium sorbate are adopted as main materials; the materials are processed through enzymolysis, extracting, mixing and filtering, such that the composite beverage is prepared. The operation is simple, and the method is suitable for industrialized productions.