Micro-spraying nozzle capable of automatically cleaning spraying holes

The invention discloses a micro-spraying nozzle capable of automatically cleaning spraying holes, which comprises a shell, a water inlet pipe, a limiting bolt and a scraper arranged in the shell, the spraying holes are distributed on the shell, the upper pipe section of the water inlet pipe extends into the shell, and the top end of the water inlet pipe is connected with the top surface of the shell through the limiting bolt; water outlet holes are formed in the upper pipe section of the water inlet pipe along the circumference of the water inlet pipe, the shell is rotatably installed on the water inlet pipe, and counter-acting force generated when water sprayed by the water inlet pipe is sprayed out of the spraying holes enables the shell to rotate in the same direction relative to the scraper so as to clean impurity particles blocking the spraying holes. According to the micro-spraying irrigation device, micro-spraying irrigation can be carried out in multiple directions and at multiple angles at the same t