Rainwater collecting device

The utility model relates to the technical field of rainwater collection, in particular to a rainwater collection device which comprises a water storage barrel body, the water storage barrel body is buried in the ground, the top end of the water storage barrel body is connected with a first sealing plate through screws, the upper side of the right end of the water storage barrel body is fixedly connected with a cleaning box, and the top end of the cleaning box is connected with a second sealing plate through screws. Water passing openings are formed in the bottom side of the left end and the bottom side of the right end of the cleaning box, a filter screen plate is fixedly connected into the water passing opening in the left side, the right end of the filter screen plate is in a circular arc shape, a water inlet communicated with the water passing opening in the left side is formed in the upper side of the right end of the water storage barrel, and the water passing opening in the right side is located in a d