The invention discloses outdoor cleaning equipment having the heating and ventilation function and used for a decorated wall. The equipment includes a cart compartment, the cart compartment is internally and fixedly provided with a cleaning box, a heating box, a ventilation box and an air conditioning box. The back of the cleaning box is fixedly provided with the heating box, the ventilation box and the air conditioning box, and one side of the heating box is fixedly provided with the ventilation box. The heating box, the ventilation box and the air conditioning box are used, a heat radiator and a first exhaust fan in the heating box are used, the first exhaust fan can extract hot air emitted by the heat radiator to supply heat to a room with the wall, a second exhaust fan in the ventilation box is then used for extracting outdoor fresh air to replace air in the room with the wall, ventilation thus can be achieved, finally, a central air conditioner is used for adjusting the temperature, humidity, cleanliness and air flow speed in the room or space, and air conditioning can thus be completed. The outdoor cleaning equipment can clean indoor air in the room with the wall.