The invention discloses a bamboo fiber mattress which comprises a bamboo fiber fabric and a bionic magnetic layer arranged inside the bamboo fiber fabric; a temperature control layer is arranged at the bottom of the bionic magnetic layer; a memory cotton layer is arranged at one end of the temperature control layer and is in glued connection with a sponge layer; a bamboo charcoal layer is arranged at the bottom of the sponge layer, and a gel layer is arranged on one side of the bamboo charcoal layer; supporting plates are arranged on the surface of the gel layer and are connected with stainless steel springs through bolts; air vents are formed in the side wall of the bamboo fiber fabric, and a controller is arranged on one side of each air vent. The bamboo fiber mattress adopts bamboo fibers as a whole fabric to be more attractive in appearance and higher in softness, so that the comfort level of a user is greatly enhanced; the adjustable supporting plates are adopted, and the user can adjust the bending degree of the mattress according to the sleep habits, so that the best sleep quality is achieved; the built-in bionic magnetic layer has a physical therapy effect on human bodies, so that the relatively-balanced temperature can be maintained; as the bamboo charcoal layer is arranged, the moisture inside the mattress can be absorbed.