Aircraft fuselage, forming method thereof and aircraft

The invention provides an aircraft fuselage and a forming method thereof and an aircraft, the fuselage comprises a skin, the skin comprises a body, a plurality of reinforcing parts, carbon fiber one-way belts, sandwich foam layers, and a carbon fiber fabric layer; the body comprises a first composite material formed by compounding a glass fiber layer, a carbon fiber lightning protection layer with aluminum wires and a carbon fiber layer; the reinforcing parts are located on the vertical fin of the fuselage, the tail of the fuselage, a cabin door cover stand column and the joint of the fuselage and the middle wing of the aircraft respectively and comprise multiple layers of carbon fibers; the carbon fiber one-way belts are positioned in the middle and the lower part of the fuselage; the sandwich foam layers are positioned at the front part and the middle part of the fuselage; the carbon fiber fabric layer is connected with the body, and the reinforcing parts, the carbon fiber one-way belts and the sandwich foa