A communication processing method, applied to a terminal or a chip in the terminal, and comprising: obtaining first information sent by a first wireless communications system, wherein the first information is used to determine a time offset of a time domain resource configuration in the first wireless communications system; determining a time domain location of the time domain resource configuration in the first wireless communications system based on the time offset; and performing data transmission at the time domain location based on the time domain resource configuration in the first wireless communications system; wherein the first information is the time offset or an index of the time offset; or the first information is an index of a time domain resource configuration in a second wireless communications system, and the time domain resource configuration in the second wireless communications system corresponds to the time offset; wherein the time offset is used to align transmission time units that have a same time domain resource type in an uplink and downlink switching period and that are in the first wireless communications system and the second wireless communications system; wherein the first wireless communications system is a fifth-generation wireless communications system, and the second wireless communications system is an LTE time divisional duplex, TDD, system, and the time domain resource configuration indicates uplink, downlink and special subframes in the LTE TDD system; wherein there is the following correspondence between the time domain resource configuration in the second wireless communications system and the time offset: Index of a time domain resource configuration in the LTE system 0 1 2 3 4 5 Time offset (unit: transmission time unit) (0+E)%5 (1+E)%5 (2+E)%5 (5+E)%10 (6+E)%10 (7+E)%10 wherein E is a timing offset between the second wireless communications system and the first wireless communications system, and when timing is synchronized between the first wireless communications system and the second wireless communications system, a value of the timing offset is 0, and % is a modulo operation. obtaining first information sent by a first wireless communications system, wherein the first information is used to determine a time offset of a time domain resource configuration in the first wireless communications system; determining a time domain location of the time domain resource configuration in the first wireless communications system based on the time offset; and performing data transmission at the time domain location based on the time domain resource configuration in the first wireless communications system; wherein the first information is the time offset or an index of the time offset; or the first information is an index of a time domain resource configuration in a second wireless communications system, and the time domain resource configuration in the second wireless communications system corresponds to the time offset; wherein the time offset is used to align transmission time units that have a same time domain resource type in an uplink and downlink switching period and that are in the first wireless communications system and the second wireless communications system; wherein the first wireless communications system is a fifth-generation wireless communications system, and the second wireless communications system is an LTE time divisional duplex, TDD, system, and the time domain resource configuration indicates uplink, downlink and special subframes in the LTE TDD system; wherein there is the following correspondence between the time domain resource configuration in the second wireless communications system and the time offset: Index of a time domain resource configuration in the LTE system 0 1 2 3 4 5 Time offset (unit: transmission time unit) (0+E)%5 (1+E)%5 (2+E)%5 (5+E)%10 (6+E)%10 (7+E)%10 wherein E is a timing offset between the second wireless communications system and the first wireless communications system, and when timing is synchronized between the first wireless communications system and the second wireless communications system, a value of the timing offset is 0, and % is a modulo operation.