The invention relates to a method and a system for simultaneously answering sounds of multiple parties in a call process. The method comprises the following steps: when a mobile terminal is called, identifying whether a current mobile terminal is in a call state or not, if the current mobile terminal is in the call state, putting through a new telephone, superposing sound signals of different conversion parties and then playing the superposed sound signal; outputting a sound signal of an own party to a conversion party with high priority according to the priority of a contact number of the conversion party, and muting other conversion parties. Compared with the prior art, the method for simultaneously answering the sounds of the multiple parties in the call process, provided by the invention, has the advantages that the sounds of two or more objects are simultaneously answered by one mobile phone, so that the efficiency of answering the calls by users is improved, and the time of the users is saved.