The invention discloses an instant ready-to-drink garden stuff bottle cap, and belongs to the technical field of beverage bottle caps. The instant ready-to-drink garden stuff bottle cap comprises a top cap body, an outer cap body, an ingredient cavity and a puncturing device; the outer cap body and a bottom opening are in threaded fit, the top cap body and the upper portion of the outer cap body are buckled, and the top cap body, the outer cap body and the bottom opening are jointly form a containing cavity in a sealing manner; the ingredient cavity and the puncturing device are fixed into the outer cap body through stand columns, the stand columns are fixed to the inner wall of the outer cap body, the ingredient cavity is filled with ingredients, and the bottom of the ingredient cavity is covered with a sealing film A; and the upper end and the lower end of the puncturing device are both sharp, and the upper portion of the bottle opening is covered with a sealing film B; the ingredients in the ingredient cavity of the bottle cap are healthy and frozen garden stuff powder, additional reagents are avoided, and health requirements of consumers are met; and meanwhile, the marketing pressure of garden stuff farmers is remitted, and waste is avoided. The bottle cap is ingenious in design and convenient to use, the ingredients can be stored, and the ingredients can be added into the bottle in time.