Urine collecting device

The utility model discloses a urine collecting device which comprises a urinary catheter, a urine storage cup, a bladder washing pipe and a three-way pipe. One end of the urinary catheter is connected with an interface of the three-way pipe without a switch, the urine storage cup is connected with an interface of the three-way pipe with a switch through a catheter, and the bladder washing pipe is connected with another interface of the three-way pipe with a switch through a catheter. Volume scales are marked on a cup wall of the urine storage cup, urine can be collected and measured in one time and does not need to transferred, measurement precision is higher, and nurses' workload is reduced. The bladder washing pipe and the urine storage cup are simultaneously collected to the urinary catheter, the communication of the three pipes is controlled through the three-way pipe, and urine collection and bladder washing can be performed conveniently.