Abstract: An anti-splash cleaning machine is capable of providing a cleaning liquid with an impact pressure to the surface of a mechanical part, wherein a cleaning box body is equipped with a box cover and a cleaning space is provided to receive parts to be cleaned. The machine further comprises a cleaning liquid tank and a cleaning gun comprising a cleaning liquid inlet, a compressed air inlet, a cleaning gun body, a liquid suction pipe fitting for connecting the cleaning liquid tank to the cleaning liquid inlet of the cleaning gun, and a liquid discharge pipe fitting for connecting the cleaning liquid tank to the liquid outlet of the cleaning box body. The cleaning gun body is provided with an air flow channel, a liquid flow channel and a mixed flow channel and the air flow channel and the liquid flow channel converge into the mixed flow channel.