One or more embodiments of the present specification provide a communication method and device, wherein the method comprises the following steps: a receiver client displays, according to a received communication message, a reception notification for the communication message, wherein the reception notification comprises at least a portion of the content of the communication message; and the receiver client returns a first state change indication message to the sender client corresponding to the communication message when determining that the receiver user interacts with the receiving notification, and the first state change indication message is used for indicating the sender client to change a receiver reading state of the communication message.