The kitchen area and toilet are located in the middle of the carriage. The kitchen area is equipped with induction cooker, stainless steel hand washing basin and 50L special refrigerator for RV. At the same time, a primary energy consumption household frequency conversion air conditioner is set above the kitchen, and a fuel oil heating system is set on the left control panel, which integrates the functions of warm air and hot water. At the end of the car, there is a double fixed bed with a size of 2100 × 1350 (mm). At the top, several groups of hidden lock cabinets are set up around the top to facilitate the storage of bedding, etc. at the same time, the storage space under the bed can place large luggage, which maximizes the storage function. The bathroom adopts the design of dry and wet integration, and the interior is equipped with portable toilet, hand washing basin, two-way ventilator and integrated shower. In terms of waterway system, the volume of the purified water tank is 85 liters.