A corn ear picking roller structure for strengthening stem grabbing includes a header, a seedling divider, a seedling pulling chain, a clamping chain, a seedling pressing plate, and an ear picking device. The seedling divider is connected to a front end of the header, the seedling pulling chain is connected to the header and located on a lower side of the seedling divider, the clamping chain is connected to the header and located on a lower portion of the seedling pulling chain, the ear picking device is connected to the header and located on one side of the seedling divider, and the seedling pressing plate is connected to a top end of the ear picking device. The ear picking device includes a left ear picking roller and a right ear picking roller, and each of the left and right ear picking rollers is provided with an inequilateral multi-edge structure.