Domestic sewage treatment integrated equipment with coupling of side flow dephosphorization and efficient precipitation and process thereof

The invention discloses domestic sewage treatment integrated equipment with coupling of side flow dephosphorization and efficient precipitation and a process thereof, the domestic sewage treatment integrated equipment comprises an efficient dephosphorization device, the efficient dephosphorization device is sequentially communicated with an anoxic zone, an aerobic zone and an efficient precipitation tank, and one side of the efficient precipitation tank is provided with an equipment room; the efficient dephosphorization device, the anoxic section, the aerobic section and the efficient sedimentation tank are located in the same shell, each reaction section is separated through a partition plate, the efficient sedimentation tank is connected with the ultraviolet disinfection device through a water outlet tank, sewage enters the efficient sedimentation tank from the aerobic tank, and after mud-water separation is conducted in the efficient sedimentation tank, the sewage enters the ultraviolet disinfection device