The 5-stage compression and air-cooled high-pressure piston compressor, with its high exhaust pressure of over 30MPa, air-cooled design that does not require cooling water, and piston type stable high-pressure output characteristics, is suitable for multiple fields: in the field of energy extraction, it boosts the pressure of natural gas and coalbed methane extraction, and is suitable for outdoor water shortage environments; In industrial manufacturing, it is used for high-pressure air tightness detection and high-end spray coating to ensure accuracy and save workshop space; In emergency and special operations, clean high-pressure breathing gas sources are provided for rescue and diving, which can be quickly deployed on vehicles or ships; In the field of scientific research, it can accurately control pressure, meet the simulation requirements of high-pressure environments, and adapt to laboratory requirements without cooling water and low vibration.