The utility model discloses a various-pitch hydraulic lifting and descending operation handcart. According to the handcart, a left vertical frame and a right vertical frame are installed on an underframe, hydraulic lifting and descending devices connected with a handcart platform are installed in the left vertical frame and the right vertical frame respectively, a pedal control mechanism controlling the hydraulic lifting and descending devices to work is installed on the underframe, a left fixing plate and a right fixing plate used for fixing a switch are installed on the handcart platform, the distance between the left fixing plate and the right fixing plate is adjustable, fixing clamp pin holes are formed in the left fixing plate and the right fixing plate and matched with a fixing clamp pin on the switch, traveling wheels are arranged on the bottom of the underframe, braking devices are arranged on the traveling wheels, limiting clamp pins are arranged at the upper end and lower end of each vertical frame respectively, handcart handrails are installed on the left vertical frame and the right vertical frame, and lifting and descending brake pins limiting the movement of the handcart are installed on the underframe. The handcart is reasonable in structure, convenient to use, reliable in use and high in working performance.