The invention discloses a novel water bed mattress. An outer cover of the novel water bed mattress includes two layers, a water bed body is divided into two portions, an air channel is arranged between the outmost layer and the innermost layer, and the portion included by an innermost layer cover lock is a water zone portion. The air channel surrounds the water bed mattress for one circle. The middles of two sides of the air channel are provided with magnet therapy control systems. An electronic thermostatic controller is arranged in the water zone portion. The upper and lower walls in the water zone portion are provided with semi-spherical supporting structures and air columns. The air columns are connected with the air channel. Electromagnetic heaters are arranged in the supporting structures, and water can freely pass through the supporting structures. The upper portion of the water bed mattress is provided with a water inlet tube, the water inlet tube penetrates through the air channel to be introduced into the water zone portion, the lower portion of the water bed mattress is provided with a water outlet pipe, and the water outlet pipe penetrates through the air channel to beintroduced into the water zone portion. The side portion of the water bed mattress is provided with an air inlet. The surface of the water bed mattress is provided with veins. The water bed mattress has good sealing performance, it can be ensured that no water is leaked during water injection or use, and the water bed mattress does not deform after being used for a long time.