The invention comprises a shower head structure. The shower head structure comprises a vertical rod fixedly installed in a wall, a transverse rod, a shower nozzle body and a sprinkler, the transverse rod is fixedly installed at the top end of the vertical rod, the shower nozzle body is fixedly installed at the tail of the transverse rod, a water spraying cross section changing device is installed in the shower nozzle body, and the water spraying cross section changing device comprises a water outlet body; a left sliding connection groove, a right sliding connection groove and a penetrating groove for communicating the left sliding connection groove and the right sliding connection groove are formed in the water outlet body, the left sliding connection groove and the right sliding connection groove which vertically stretch are correspondingly arranged in a left-and-right manner, openings are formed in the left side of the left sliding connection groove and the right side of the right sliding connection groove, and a left sliding connection block and a right sliding connection block are installed in the left sliding connection groove and the right sliding connection groove in a sliding manner correspondingly; and a first water stopping head and a second water stopping head are fixedly installed at the upper end of the left sliding connection block and the upper end of the right sliding connection block correspondingly, a first water through groove and a second water through groove are formed in the upper end wall of the left sliding connection groove and the upper end wall of the right sliding connection groove correspondingly, and tooth-shaped strips are arranged on the close end faces of the left sliding connection block and the right sliding connection block.