Embodiments of the present invention disclose a method for adjusting a length of a timer and a base station, where the method includes: detecting whether a quantity of accessing user equipments UE in a cell exceeds a preset quantity threshold; and increasing a length of a Radio Link Control (RLC) timer by a preset increment when the quantity of accessing UEs exceeds the preset quantity threshold. In the embodiments of the present invention, a radio resource waste can be avoided, and a UE call drop risk can be reduced.