A device for pharmaceutical wastewater treatment with high efficiency resource recovery and low energy consumption, characterized by comprising: a floatation tank; a pH adjusting tank; an acid tank; a base tank; an enhanced hydrolysis acidification tank; a micron calcium silicate tank; a methanogenic tank; an anoxic pool; an aerobic pool; a biogas collection and treatment device; a secondary sedimentation tank; a coagulation sedimentation tank; a polyaluminium chloride tank; a control device; and a power supply; wherein: the floatation tank, the pH adjusting tank, the enhanced hydrolysis acidification tank, the methanogenic tank, the anoxic pool, the aerobic pool, the secondary sedimentation tank and the coagulation sedimentation tank are connected sequentially; a decontamination device allowing to eliminate supernatant pollutants of the flotation tank is disposed in the floatation tank; the acid tank and the base tank are independently connected to the pH adjusting tank, and joints thereof are provided with magnetic valves, respectively; the pH adjusting tank is provided with a pH meter, and the pH meter comprises a measuring probe disposed in the pH adjusting tank; the enhanced hydrolysis acidification tank comprises an upper part, a middle part and a lower part; the upper part is connected to the anoxic pool via a draft tube; a fixed filler is disposed in the middle part, and a first uniform water distributor is disposed in the lower part; the first uniform water distributor comprises a main tube and a secondary tube disposed in the main tube; the secondary tube comprises a through hole communicating with a chamber of the main tube; a rotary motor is disposed in the lower part of the enhanced hydrolysis acidification tank to supply power for the main tube; the main tube comprises a main nozzle, and the secondary tube comprises a secondary nozzle; the micron calcium silicate tank is connected to a bottom of the enhanced hydrolysis acidification tank via a guide tube; a second uniform water distributor is disposed in a bottom of the methanogenic tank; a combined filler is disposed in a middle part of the methanogenic tank, and a fixed soft filler is disposed in an upper part of the methanogenic tank; the anoxic pool is filled with a suspension filler; the secondary sedimentation tank is connected to the anoxic pool via a pipe; the PAC tank is connected to the coagulation sedimentation tank; the control device comprises a controller, a processor, and a remote; the controller is connected to the decontamination device, the rotary motor, the pH meter, and the magnetic valves; the processor and the remote are connected to the controller; and the power supply supplies power for the decontamination device, the rotary motor, the pH meter, and the magnetic valves. a floatation tank; a pH adjusting tank; an acid tank; a base tank; an enhanced hydrolysis acidification tank; a micron calcium silicate tank; a methanogenic tank; an anoxic pool; an aerobic pool; a biogas collection and treatment device; a secondary sedimentation tank; a coagulation sedimentation tank; a polyaluminium chloride tank; a control device; and a power supply; the floatation tank, the pH adjusting tank, the enhanced hydrolysis acidification tank, the methanogenic tank, the anoxic pool, the aerobic pool, the secondary sedimentation tank and the coagulation sedimentation tank are connected sequentially; a decontamination device allowing to eliminate supernatant pollutants of the flotation tank is disposed in the floatation tank; the acid tank and the base tank are independently connected to the pH adjusting tank, and joints thereof are provided with magnetic valves, respectively; the pH adjusting tank is provided with a pH meter, and the pH meter comprises a measuring probe disposed in the pH adjusting tank; the enhanced hydrolysis acidification tank comprises an upper part, a middle part and a lower part; the upper part is connected to the anoxic pool via a draft tube; a fixed filler is disposed in the middle part, and a first uniform water distributor is disposed in the lower part; the first uniform water distributor comprises a main tube and a secondary tube disposed in the main tube; the secondary tube comprises a through hole communicating with a chamber of the main tube; a rotary motor is disposed in the lower part of the enhanced hydrolysis acidification tank to supply power for the main tube; the main tube comprises a main nozzle, and the secondary tube comprises a secondary nozzle; the micron calcium silicate tank is connected to a bottom of the enhanced hydrolysis acidification tank via a guide tube; a second uniform water distributor is disposed in a bottom of the methanogenic tank; a combined filler is disposed in a middle part of the methanogenic tank, and a fixed soft filler is disposed in an upper part of the methanogenic tank; the anoxic pool is filled with a suspension filler; the secondary sedimentation tank is connected to the anoxic pool via a pipe; the PAC tank is connected to the coagulation sedimentation tank; the control device comprises a controller, a processor, and a remote; the controller is connected to the decontamination device, the rotary motor, the pH meter, and the magnetic valves; the processor and the remote are connected to the controller; and the power supply supplies power for the decontamination device, the rotary motor, the pH meter, and the magnetic valves.