The high pressure cleaning machine spray gun is designed to spray water with extremely high pressure, so as to remove all kinds of dirt and stains efficiently. Its nozzle can generate different types of spray modes, including fan-shaped, dot shaped and columnar spray, to meet the needs of different cleaning tasks. This efficient cleaning ability makes it outstanding in cleaning cars, building exterior walls, equipment and ground. This spray gun is equipped with precise flow and pressure adjustment functions, allowing users to adjust the intensity and spray angle of the water flow according to specific cleaning needs. This precise control function ensures that the cleaning process will not cause damage to the surface, while improving cleaning efficiency. The high pressure cleaning machine spray gun is suitable for multiple fields, including household, commercial, and industrial applications. In household use, it can efficiently clean cars, courtyards, and exterior walls of houses. In the commercial and industrial fields, spray guns are used for cleaning buildings, large machinery, and heavy equipment.