A method for transmitting one or more transport blocks, comprising: acquiring, by a transmitting node, a data signal obtained by performing a process of a physical layer procedure on the one or more transport blocks, wherein the physical layer procedure at least comprises channel coding and modulating, at least one transport block has multiple modulating and coding schemes, and the multiple modulating and coding schemes comprise multiple modulating schemes, or multiple coding schemes, or multiple modulating schemes and multiple coding schemes; and transmitting, by the transmitting node, the data signal and a control signal corresponding to the data signal to a receiving node; wherein the control signal comprises a downlink control information, DCI, signaling, wherein the DCI signaling comprises a modulating and coding scheme indication signaling, wherein the modulating and coding scheme indication signaling is used to indicate the modulating and coding scheme of the one or more transport blocks, and indicate multiple modulating and coding schemes used by the at least one transport block, wherein total numbers of modulating and coding schemes employed by different transport blocks are allowed to be different; wherein the DCI signaling comprises a resource allocation message, wherein the resource allocation message is used to indicate resource information about resources allocated to multiple modulating and coding schemes used by the at least one transport block, wherein the resource information comprises a total number of the resources and locations of the resources; wherein the method further comprises: determining a transport block size in the following manner: determining, by the transmitting node, the transport block size based on multiple modulating and coding schemes used by the at least one transport block and the resource information indicated by the resource allocation message; and wherein the determining, by the transmitting node, the transport block size based on multiple modulating and coding schemes used by the at least one transport block and the resource information indicated by the resource allocation message comprises: determining, by the transmitting node, the transport block size according to a formula wherein I TBS_i represents an index of an i-th modulating and coding scheme in a transport block size table, N PRB_i represents a total number of resources allocated by the i-th modulating and coding scheme in a transport block size table, 1≤m≤4, 1≤i≤n, and n≥1. acquiring, by a transmitting node, a data signal obtained by performing a process of a physical layer procedure on the one or more transport blocks, wherein the physical layer procedure at least comprises channel coding and modulating, at least one transport block has multiple modulating and coding schemes, and the multiple modulating and coding schemes comprise multiple modulating schemes, or multiple coding schemes, or multiple modulating schemes and multiple coding schemes; and transmitting, by the transmitting node, the data signal and a control signal corresponding to the data signal to a receiving node; wherein the control signal comprises a downlink control information, DCI, signaling, wherein the DCI signaling comprises a modulating and coding scheme indication signaling, wherein the modulating and coding scheme indication signaling is used to indicate the modulating and coding scheme of the one or more transport blocks, and indicate multiple modulating and coding schemes used by the at least one transport block, wherein total numbers of modulating and coding schemes employed by different transport blocks are allowed to be different; wherein the DCI signaling comprises a resource allocation message, wherein the resource allocation message is used to indicate resource information about resources allocated to multiple modulating and coding schemes used by the at least one transport block, wherein the resource information comprises a total number of the resources and locations of the resources; wherein the method further comprises: determining a transport block size in the following manner: determining, by the transmitting node, the transport block size based on multiple modulating and coding schemes used by the at least one transport block and the resource information indicated by the resource allocation message; and wherein the determining, by the transmitting node, the transport block size based on multiple modulating and coding schemes used by the at least one transport block and the resource information indicated by the resource allocation message comprises: determining, by the transmitting node, the transport block size according to a formula wherein I TBS_i represents an index of an i-th modulating and coding scheme in a transport block size table, N PRB_i represents a total number of resources allocated by the i-th modulating and coding scheme in a transport block size table, 1≤m≤4, 1≤i≤n, and n≥1.