A hybrid automatic repeat request HARQ feedback method, comprising: receiving data transmitted from a transmitting end in a unit of a transmission block, TB, which contains a plurality of code block groups, CBGs; binding feedback information of the plurality of CBGs to at least one bit on at least one feedback level according to a HARQ feedback policy to generate HARQ feedback information, and returning the HARQ feedback information to the transmitting end, wherein the amount of bits of the HARQ feedback information is smaller than the amount of the CBGs contained in the TB, wherein the HARQ feedback policy comprises: feedback levels, each indicating an amount of CBGs for which feedback information is bound to one bit, wherein a sum of the amount of all of the bits corresponding to all of the feedback levels is less than the amount of the CBGs contained in the TB; characterized in that when an amount of the feedback levels is one, binding the feedback information of the plurality of CBGs to at least one bit at least one feedback level according to the HARQ feedback policy to generate the HARQ feedback information comprises: acquiring data reception state information, which is configured to indicate data reception success or data reception failure corresponding to each of the CBGs; and generating the feedback information corresponding to the CGGs according to the data reception state information; binding the feedback information corresponding to the CBGs contained in the TB to a third preset amount of bits, wherein the third preset amount is equal to a rounding-up amount of a value, which is obtained through dividing the amount of the CBGs contained in the TB by an amount of CBGs for which feedback information is bound to one bit in the feedback level. receiving data transmitted from a transmitting end in a unit of a transmission block, TB, which contains a plurality of code block groups, CBGs; binding feedback information of the plurality of CBGs to at least one bit on at least one feedback level according to a HARQ feedback policy to generate HARQ feedback information, and returning the HARQ feedback information to the transmitting end, wherein the amount of bits of the HARQ feedback information is smaller than the amount of the CBGs contained in the TB, wherein the HARQ feedback policy comprises: feedback levels, each indicating an amount of CBGs for which feedback information is bound to one bit, wherein a sum of the amount of all of the bits corresponding to all of the feedback levels is less than the amount of the CBGs contained in the TB; characterized in that when an amount of the feedback levels is one, binding the feedback information of the plurality of CBGs to at least one bit at least one feedback level according to the HARQ feedback policy to generate the HARQ feedback information comprises: acquiring data reception state information, which is configured to indicate data reception success or data reception failure corresponding to each of the CBGs; and generating the feedback information corresponding to the CGGs according to the data reception state information; binding the feedback information corresponding to the CBGs contained in the TB to a third preset amount of bits, wherein the third preset amount is equal to a rounding-up amount of a value, which is obtained through dividing the amount of the CBGs contained in the TB by an amount of CBGs for which feedback information is bound to one bit in the feedback level. feedback levels, each indicating an amount of CBGs for which feedback information is bound to one bit, wherein a sum of the amount of all of the bits corresponding to all of the feedback levels is less than the amount of the CBGs contained in the TB; characterized in that when an amount of the feedback levels is one, binding the feedback information of the plurality of CBGs to at least one bit at least one feedback level according to the HARQ feedback policy to generate the HARQ feedback information comprises: acquiring data reception state information, which is configured to indicate data reception success or data reception failure corresponding to each of the CBGs; and generating the feedback information corresponding to the CGGs according to the data reception state information; acquiring data reception state information, which is configured to indicate data reception success or data reception failure corresponding to each of the CBGs; and generating the feedback information corresponding to the CGGs according to the data reception state information; binding the feedback information corresponding to the CBGs contained in the TB to a third preset amount of bits, wherein the third preset amount is equal to a rounding-up amount of a value, which is obtained through dividing the amount of the CBGs contained in the TB by an amount of CBGs for which feedback information is bound to one bit in the feedback level.