Embodiments of the present invention provide a data transmission method, a base station, and user equipment, where the method includes: receiving bundling capability information sent by user equipment, where the Bundling capability information includes: information used to indicate that the user equipment has a capability of transmitting first data for M times, where M is a maximum quantity of transmission times that is supported by the user equipment for the first data, and M≥2; and performing transmission of the first data with the user equipment for N times according to the Bundling capability information, where N≤M.