The present invention discloses an energy-saving environmental-friendly foot tub, which consists of a control panel, an air pump, a shell, an ozone generator, a water pump, a heating pipe, a vibration machine, massage rollers, a temperature inductor, a water filtering box, a water level detector, an atomizer and a foot box, wherein the control panel is arranged at the front end of the top of the shell the air pump is mounted right under the control panel the ozone generator is communicated with the air pump and located at the bottom of the shell the water pump is mounted at the bottom of the shell the heating pipe is connected with the water pump the tail end of the heating pipe is equipped with the temperature inductor the foot box is arranged at the rear half part of the shell two massage rollers are arranged at the bottom of the foot box the side, which is adjacent to the control panel, of the foot box is provided with the water level detector and the atomizer which are in parallel and the rear part of the shell is adjacent to the foot box and is provided with the water filtering box. The foot tub disclosed by the present invention is exquisite and compact in structure, and is capable of realizing cyclic utilization of water, and is economic and environmentally friendly. Fig. 1