Accumulation bottle for collecting cast-off cells

The utility model discloses a hydrops bottle for collecting exfoliated cells, which comprises a drainage bottle, a water seal bottle and a decompression bottle, the back of the drainage bottle is provided with the water seal bottle, the back of the water seal bottle is provided with the decompression bottle, the inner top wall of the drainage bottle is provided with a filter tube, and the inner top wall of the drainage bottle is provided with a drainage tube. A first filter screen, a second filter screen and a third filter screen are sequentially arranged on the filter tube from top to bottom, a separation groove is formed in the drainage bottle, a drainage tube connector is formed in the front end of the top of the drainage bottle, and a connecting tube is mounted at the tail end of the top of the drainage bottle in an embedded mode. Through the arrangement of the first filter screen, the second filter screen and the third filter screen, through three-layer filtration and collection, a tissue specimen which