Embodiments of the invention provide methods, devices and systems for transmitting and receiving data based on multiple paths. In one embodiment of the invention, a method for transmitting data based on multiple paths is provided, and the method comprises the steps of establishing multiple paths based on WiMAX connection between first equipment and second equipment, transmitting data frames of a data queue in the multiple paths, acquiring the quality status of the multiple paths and adjusting transmission of the data frames of the data queue in the multiple paths based on the quality status. In one embodiment of the invention, a method for receiving data based on multiple paths is provided, and the method comprises the steps of establishing multiple paths based on WiMAX connection between first equipment and second equipment, receiving multiple data frames in the multiple paths and processing the received multiple data frames based on the quality status of the multiple paths. In one embodiment of the invention, corresponding devices and systems are provided.