An information processing method, comprising: determining, by a base station, a feedback manner of hybrid automatic repeat request, HARQ, feedback information of user equipment, wherein the feedback manner comprises: feeding back the HARQ feedback information, or skipping feeding back the HARQ feedback information; determining, by the base station, first signaling according to the feedback manner of the HARQ feedback information, wherein the first signaling implicitly indicates the feedback manner of the HARQ feedback information; and sending the first signaling to the user equipment, so that the user equipment determines the feedback manner of the HARQ feedback information according to the first signaling, wherein: the first signaling is channel state information, CSI, configuration information, and the CSI configuration information is channel quality indicator, CQI, table configuration information and/or modulation and coding scheme, MCS, table configuration information; and the determining, by the base station, first signaling according to the feedback manner of the HARQ feedback information comprises: when the feedback manner of the HARQ feedback information is skipping feeding back the HARQ feedback information, determining, by the base station, CSI configuration information that is used to indicate that the user equipment uses a CQI table and/or an MCS table that do/does not comprise 256QAM; or when the feedback manner of the HARQ feedback information is feeding back the HARQ feedback information, determining, by the base station, CSI configuration information that is used to indicate that the user equipment uses a CQI table and/or an MCS table that comprise/comprises 256QAM. determining, by a base station, a feedback manner of hybrid automatic repeat request, HARQ, feedback information of user equipment, wherein the feedback manner comprises: feeding back the HARQ feedback information, or skipping feeding back the HARQ feedback information; determining, by the base station, first signaling according to the feedback manner of the HARQ feedback information, wherein the first signaling implicitly indicates the feedback manner of the HARQ feedback information; and sending the first signaling to the user equipment, so that the user equipment determines the feedback manner of the HARQ feedback information according to the first signaling, wherein: the first signaling is channel state information, CSI, configuration information, and the CSI configuration information is channel quality indicator, CQI, table configuration information and/or modulation and coding scheme, MCS, table configuration information; and the determining, by the base station, first signaling according to the feedback manner of the HARQ feedback information comprises: when the feedback manner of the HARQ feedback information is skipping feeding back the HARQ feedback information, determining, by the base station, CSI configuration information that is used to indicate that the user equipment uses a CQI table and/or an MCS table that do/does not comprise 256QAM; or when the feedback manner of the HARQ feedback information is feeding back the HARQ feedback information, determining, by the base station, CSI configuration information that is used to indicate that the user equipment uses a CQI table and/or an MCS table that comprise/comprises 256QAM. the first signaling is channel state information, CSI, configuration information, and the CSI configuration information is channel quality indicator, CQI, table configuration information and/or modulation and coding scheme, MCS, table configuration information; and the determining, by the base station, first signaling according to the feedback manner of the HARQ feedback information comprises: when the feedback manner of the HARQ feedback information is skipping feeding back the HARQ feedback information, determining, by the base station, CSI configuration information that is used to indicate that the user equipment uses a CQI table and/or an MCS table that do/does not comprise 256QAM; or when the feedback manner of the HARQ feedback information is feeding back the HARQ feedback information, determining, by the base station, CSI configuration information that is used to indicate that the user equipment uses a CQI table and/or an MCS table that comprise/comprises 256QAM.