A method for a parallel transmission of plural types of wireless links, comprising: activating at least two different types of wireless links in advance; allocating transmission data to the wireless links at a signal source end according to transmission rates of the wireless links, wherein the data which is allocated to each of the wireless link at the signal source end is encrypted; wherein the step of allocating the transmission data to the wireless links at the signal source end according to the transmission rates of the wireless links comprises: acquiring the transmission rates of the wireless links when the transmission data are single-task data that contain data of a single task; splitting the transmission data to acquire a plurality of transmission data blocks according to a number of the wireless links and the transmission rates of the wireless links, wherein a number of the transmission data blocks corresponds to the number of the wireless links, and a size of each of the transmission data blocks corresponds to the transmission rate of the corresponding wireless link; and setting identifiers for the transmission data blocks for restoring the transmission data blocks into the transmission data; and transmitting the allocated transmission data to a receiving end via the wireless links by parallel transmission; the method characterized in that the step of allocating the transmission data to the wireless links at the signal source end according to the transmission rates of the wireless links comprises: acquiring, when the transmission data are multi-task data that contain data of multiple tasks, a data size of the data of each of the tasks in the transmission data; and allocating the data of one of the tasks with a large data size to one of the wireless links with a high transmission rate, and allocating the data of one of the tasks with a small data size to one of the wireless links with a low transmission rate. activating at least two different types of wireless links in advance; allocating transmission data to the wireless links at a signal source end according to transmission rates of the wireless links, wherein the data which is allocated to each of the wireless link at the signal source end is encrypted; wherein the step of allocating the transmission data to the wireless links at the signal source end according to the transmission rates of the wireless links comprises: acquiring the transmission rates of the wireless links when the transmission data are single-task data that contain data of a single task; splitting the transmission data to acquire a plurality of transmission data blocks according to a number of the wireless links and the transmission rates of the wireless links, wherein a number of the transmission data blocks corresponds to the number of the wireless links, and a size of each of the transmission data blocks corresponds to the transmission rate of the corresponding wireless link; and setting identifiers for the transmission data blocks for restoring the transmission data blocks into the transmission data; and transmitting the allocated transmission data to a receiving end via the wireless links by parallel transmission; the method characterized in that the step of allocating the transmission data to the wireless links at the signal source end according to the transmission rates of the wireless links comprises: acquiring, when the transmission data are multi-task data that contain data of multiple tasks, a data size of the data of each of the tasks in the transmission data; and allocating the data of one of the tasks with a large data size to one of the wireless links with a high transmission rate, and allocating the data of one of the tasks with a small data size to one of the wireless links with a low transmission rate. acquiring, when the transmission data are multi-task data that contain data of multiple tasks, a data size of the data of each of the tasks in the transmission data; and allocating the data of one of the tasks with a large data size to one of the wireless links with a high transmission rate, and allocating the data of one of the tasks with a small data size to one of the wireless links with a low transmission rate.