The utility model provides a cleaning device is enlargied in hole tubular anemoscope blowback, includes a tuber pipe, no. Two tuber pipes that link to each other respectively with a connecting pipe of hole pipe anemoscope, no. Two connecting pipes, the other end of a tuber pipe and no. Two tuber pipes all links to each other with differential pressure transmitter, be equipped with on the tuber pipe solenoid valve still be equipped with second solenoid valve on no. Two tuber pipes, parallelly connectedly on the pipeline between solenoid valve and second solenoid valve and the hole pipe anemoscope being provided with the gas transmission branch pipe, being equipped with no. Six solenoid valves, an air amplifier, no. Two air amplifiers, no. Seven solenoid valves on the gas transmission branch pipe in proper order, the gas transmission branch pipe between air amplifier and no. Two air amplifiers links to each other with main gas delivery pipe, the last solenoid valve that is equipped with no. Three of main gas delivery pipe, no. Three the solenoid valve communicates with each other with the compressed air entry, it is clean fast in time effectually to carry out the blowback to hole pipe anemoscope, has guaranteed that the anemoscope detects the accuracy, has reduced the energy resource consumption, and the cost of manufacture is lower, simple to operate, and maintenance cost is low.