Flow-dividing type suction sweeper

The invention provides a divided-flow suction sweeper which comprises a rolling brush assembly, a negative pressure generating device and a dustbin, the rolling brush assembly comprises a rolling brush box body, a rolling brush body and a rolling brush driving device, the rolling brush box body is provided with a rolling brush outlet above the rolling brush body in the radial direction, and the rolling brush driving device is installed on the rolling brush box body and connected with the rolling brush body. The rolling brush driving device drives the rolling brush body to rotate; a mounting opening is formed in a top plate of the dustbin, a partition plate is arranged in the dustbin and provided with a leakage opening, a suction inlet of the negative pressure generating device is located above the partition plate and communicated with the leakage opening, a rolling brush outlet is opposite to a garbage inlet of the dustbin, the partition plate divides the garbage inlet into an upper inlet and a lower inlet, a