The important signifìcance and function of development of supersoníc military aviation are briefly discussed. The author introduces the history and present condition in development of supersonÎc military aircraft at home and abroad , and its development tendency. As well as , poìntìng out that based on the present condition at home , it is quìte right to combine development with introducìng mìlìtary aìrcraft. The content discussed has reference value for studying the strategy on speedily developing the modern weapon equìpment of the aìr force in our country.