Method and device for providing dynamic assistance information in communication system

The invention provides a method for providing dynamic assistance information. The method comprises the following steps: a base station sends the dynamic assistance information of one or more user equipment through a piece of DCI (downlink control information), wherein the DCI comprises identification information and the dynamic assistance information of the one or more user equipment, the identification information is used for identifying the dynamic assistance information contained in the DCI; besides, when the base station sends the dynamic assistance information of multiple user equipment through one piece of DCI, the base station further sends information of location, in the DCI, of the dynamic assistance information of each user equipment in the multiple user equipment to each user equipment.