A method for transmitting indication information, comprising: initially setting an indication information feedback mode of a user equipment to a deactivation state, wherein the user equipment in the deactivation state does not transmit indication information to a base station; and when receiving an indication information feedback request transmitted by network side, setting the indication information feedback mode of the user equipment to an activation state; periodically transmitting the indication information to the base station, by the user equipment in the activation state according to an indication information feedback cycle, wherein the indication information feedback cycle comprises indication information being fed back periodically with period equal to the feedback cycle; further comprising: adjusting, by the user equipment, the indication information feedback cycle according to a feedback cycle adjustment request transmitted by the base station, or according to whether or not downlink data is received from the base station during a consecutive time period T2; wherein transmitting the indication information to the base station, by the user equipment in the activation state with the indication information feedback cycle, comprises: transmitting the indication information to the base station, by the user equipment in the activation state with the adjusted indication information feedback cycle. initially setting an indication information feedback mode of a user equipment to a deactivation state, wherein the user equipment in the deactivation state does not transmit indication information to a base station; and when receiving an indication information feedback request transmitted by network side, setting the indication information feedback mode of the user equipment to an activation state; periodically transmitting the indication information to the base station, by the user equipment in the activation state according to an indication information feedback cycle, wherein the indication information feedback cycle comprises indication information being fed back periodically with period equal to the feedback cycle; further comprising: adjusting, by the user equipment, the indication information feedback cycle according to a feedback cycle adjustment request transmitted by the base station, or according to whether or not downlink data is received from the base station during a consecutive time period T2; wherein transmitting the indication information to the base station, by the user equipment in the activation state with the indication information feedback cycle, comprises: transmitting the indication information to the base station, by the user equipment in the activation state with the adjusted indication information feedback cycle. adjusting, by the user equipment, the indication information feedback cycle according to a feedback cycle adjustment request transmitted by the base station, or according to whether or not downlink data is received from the base station during a consecutive time period T2; wherein transmitting the indication information to the base station, by the user equipment in the activation state with the indication information feedback cycle, comprises: transmitting the indication information to the base station, by the user equipment in the activation state with the adjusted indication information feedback cycle.