The present application discloses a data transmission method, including: sending at least two groups of same data to user equipment; and instructing the user equipment to perform softer combination on the received at least two groups of same data. Embodiments of the present application further provide a corresponding apparatus, including: a base station, user equipment, and a radio network controller. In the technical solutions of the present application, because the user equipment is instructed to process received data in a softer combination manner, reliability can be improved, and a call drop rate can be reduced.