Water supply system of motor home

The utility model relates to the technical field of water supply devices, in particular to a water supply system of a motor home, which comprises a water purification tank, a water pump is fixedly connected to the inner bottom surface of the water purification tank, the water outlet end of the water pump is communicated with a first water delivery pipe, and the upper end of the first water delivery pipe penetrates through the inner wall of the water purification tank and extends to the outside. The upper surface and the lower surface of the water purification tank are provided with sleeves, the sleeve located on the upper portion is fixedly connected with the upper surface of the water purification tank, and the surface of the sleeve located on the upper portion is communicated with a first water conveying pipe. By arranging the sleeve, the piston and the water flowing channel to be matched with the water conveying hose, a user can use the water pump to supply water to the motor home and can use the water pum