The invention relates to a heating can of a health water fountain, the heating can comprises a can body and an end cover which are produced by the purple sandy earth, the top of the can body is equipped with a water outlet pipe port, and the circumference of the lower end of the can body is equipped with a flange plate. The circumference of the end cover is equipped with a flange plate which is opposite with the flange plate on the can body, the middle portion of the end cover is equipped with a pipe chamber which extends towards inside of the can body, a sealing ring is disposed between the can body and the end cover, the sealing ring and the flange plates on the can body and the end cover are connected with each other by screw nails and screw nuts, the inside of the can body is not communicated with the pipe chamber on the end cover, the pipe chamber is internally equipped with a heating element, and the end cover is also equipped with a water inlet pipe port. The heating can of a health water fountain has the advantages that the heating can keeps the quality of water and doesn't rust, further, the heating can is long in useful life, high in heat utilization, simple in production, is energy-saving, environment-friendly and the like.