Steering gear and vehicle

The steering gear comprises a steering input shaft, a steering output shaft, a power assisting module and a speed reducer module, the speed reducer module comprises a speed reducer shell, an eccentric transmission shaft and an eccentric connecting shaft, the steering input shaft is rotatably connected with the power assisting module, and the power assisting module is in power connection with the eccentric transmission shaft. An inner gear ring is arranged in the speed reducer shell, the eccentric transmission shaft is sleeved with an eccentric transmission gear, the eccentric connecting shaft comprises a first shaft part and a second shaft part, the first shaft part and the second shaft part are connected, the axes of the first shaft part and the second shaft part are distributed in a staggered mode, the first shaft part rotatably penetrates through the transmission gear, and the second shaft part rotatably penetrates through the steering output shaft. The transmission gear is meshed with the inner gear ring,