Composite garden sewage treatment device

The utility model discloses a combined type garden sewage treatment device which comprises a device body, a sealing cover is arranged at the top of the device body, a water inlet is formed in the sealing cover, two obliquely-arranged filtering assemblies are arranged in the device body, and each filtering assembly is composed of a mounting plate, a coarse filtering net plate, an inclined baffle and a side baffle. A plurality of rows of inclined baffles arranged at intervals are fixed on the top surface of the coarse filter screen plate, the bottom ends of the inclined baffles are blocked and sealed by side baffles, a fine filter screen plate is mounted in the device body, an activated carbon filter plate and a resin filter plate which are positioned below the fine filter screen plate are mounted in the device body, a feeding pipe is mounted on one side of the device body, and a water outlet is formed in the bottom of the device body. During use, sewage can enter gaps among the multiple inclined baffles, so th