The invention discloses a disassembly-free easy-to-clean water treatment appliance, which comprises a body, at least one first water inlet pipe, at least one first water outlet pipe, a second water inlet pipe, a second water outlet pipe, a filtration device and a recovery device, wherein the first water inlet pipe, the first water outlet pipe, the second water inlet pipe, the second water outlet pipe and the filtration device are arranged on the body and are mounted integrally. Compared with the prior art, the disassembly-free easy-to-clean water treatment appliance has the beneficial effects that 1, the backwash of a filter material is convenient and sufficient, therefore, the filtration efficiency and the cyclical utilizability of a product are greatly improved, the disassembly for cleaning is not needed, the procedure is simple, and human and material resources are saved; 2, the adaptability is good, the application range is wide, the effective supervisory control and detection can be carried out on filtered water, and is convenient for a user to clearly know the condition of water quality; thus, the application prospect is quite wide.