An electronic device includes a communication unit, a storage unit, a display unit, and a processing unit. The communication unit receives messages. The storage unit stores the messages, a label table, and a preference table. The processing unit reads the messages, parses data structure of the messages to obtain content type label of the messages in the message, identifies the content type according to the label table, determines whether there is a desired message according to the preference table and displays the message if the message is a desired message. A communication management method is also provided.