To provide a wooden frame adjusting wood screw can reliably adjust a clearance between a wooden frame and an opening frame even when the wooden frame is a soft material such as a MDF.

The wooden frame adjusting wood screw 10 includes a screw-in head part 11, a shaft body 12 extending from the head part, a screw part 13 formed at the front end of the shaft body, a non-screw part 14 formed between the screw part 13 of the shaft body and the head part 11, and a collar part 15 formed on the non-screw part.