Combined type septic-tank device in outdoor campground

The invention discloses a combined type septic-tank device in an outdoor campground. The combined type septic-tank device in the outdoor campground comprises a raw water tank, a water purifier and a water production tank which are connected in series in sequence, wherein the raw water tank is positioned above the water purifier and the water production tank; a raw water pipe for feeding water is arranged at the upper part of the raw water tank; a raw water outlet pipe is arranged at the lower part of the raw water tank and is connected with a water inlet of the water purifier; a water outlet of the water purifier is connected with a water purifier water outlet pipe; the water purifier water outlet pipe is connected with a water inlet in the upper part of the water production tank; a water outlet pipe at the lower part of the water production tank is a drinking water outlet. The combined type septic-tank device has the benefits that vehicle-mounted moving is realized, and a water collection adjustment pool is