Screwdriver for debugging cavity filter

The invention discloses a screwdriver for debugging a cavity filter, relates to the technical field of communication equipment, and solves the technical problem that a screwdriver in the prior art is inconvenient to adjust a tuning screw. The screwdriver for debugging the cavity filter comprises a linear rod, one end of the linear rod is linear, and the linear rod is used for adjusting a tuning screw; the sleeve is rotationally and slidably arranged outside the linear rod in a sleeving manner, and the other end of the linear rod extends out of the sleeve; the annular baffle is fixedly installed in the middle of the linear rod, and the annular baffle is located in the sleeve; and the hexagonal barrel is fixedly installed at the end, away from the linear rod, of the sleeve, the cross section of the hexagonal barrel is hexagonal, and the hexagonal barrel is used for adjusting the nut. Through the structure, when the frequency needs to be adjusted, only the tuning screw is rotated, so that the screwdriver for deb