Anti-pollution midstream urine sample collecting device

The anti-pollution midstream urine sample collecting device comprises a urine collecting cup and a detecting cup, a partition plate is arranged in the side wall of the urine collecting cup along the central axis, a collecting opening for collecting urine, a first cover plate and a second cover plate are arranged at the top of the urine collecting cup, and the first cover plate and the second cover plate are used for sealing the collecting opening. A handle is arranged outside the top of the side wall of the urine collecting cup, a first switch key is arranged at the end, close to the urine collecting cup, of the handle, two shifting rods are arranged in the handle below the first switch key and distributed in the width direction, first scale marks are engraved outside the side wall of the urine collecting cup, and a first baffle and a second baffle used for sealing the cup bottom are arranged at the bottom of the urine collecting cup. Outer threads are arranged on the outer side of the bottom of the side wall