The invention provides a bladder function recovery apparatus. The bladder function recovery apparatus comprises an irrigation device, a urine drainage device, a bladder pressure acquisition unit and a central processing unit. The irrigation device comprises an irrigation bag, an irrigation tube and a first control component and is used for charging liquid medium in the irrigation bag to a bladder. The urine drainage device comprises a drainage bag, a urine drainage tube and a second control component and is used for draining the liquid medium in the bladder into the drainage bag. The bladder pressure acquisition unit is communicated with the urine drainage device. The central processing unit is connected with the first control component, the second control component and the bladder pressure acquisition unit and compares bladder pressure with maximal preset pressure and minimal preset pressure. When the bladder pressure is equal to or larger than the preset pressure, the first control component is closed, and the second control component is opened. When the bladder pressure is smaller than or equal to the minimal preset pressure, the second control component is closed, and the first control component is opened. The bladder function recovery apparatus can be used for bladder function recovery training for a patient with an indwelling catheter, and cystatrophy caused by long-term urination disorder is prevented.