The embodiment of the present invention provides the method and device for sending and receiving feedback information, and relates to the communication field. The method for sending the feedback information comprises the steps of receiving the uplink data sent by a user equipment (UE); determining a first load length, wherein the first load length is one of at least two load lengths in a load length set; determining the position index of the feedback information corresponding to the uplink data in a feedback information set, wherein the length of the feedback information set is the first load length; according to the position index, mapping the feedback information corresponding to the uplink data to the feedback information set; according to the first load length, carrying out the jointed coding on the feedback information set; and sending the coded feedback information set. According to the present invention, the coding cost can be reduced, and the coding gain can be improved.