Elevator capable of running stably

An elevator capable of running stably comprises a guide rail, an upper guide shoe and a lower guide shoe, the upper guide shoe and the lower guide shoe are fixed to an upper beam and a lower beam of a car frame respectively, the upper guide shoe comprises an upper guide shoe seat, a front upper roller and a rear upper roller, the front upper roller and the rear upper roller are arranged on the upper guide shoe seat, and the lower guide shoe comprises a lower guide shoe seat, a front lower roller and a rear lower roller, a front upper sliding arm and a rear upper sliding arm which are positioned on two sides of the guide rail, can be close to or far away from the guide rail and are respectively used for mounting a front upper roller and a rear upper roller are arranged on the upper guide shoe seat in a sliding manner; a front lower sliding arm and a rear lower sliding arm which are positioned on two sides of the guide rail and can be close to or far away from the guide rail are arranged on the lower guide shoe