The civil foundation in 70's takes the medical treatment and succor as its main work, while the Mr. C.C. Hong's foundation not only to establish audio-visual library, but also to hold numerous music activities at that time. On the expansion of music culture, what the influence have and what the meaning is for Taiwan society at that time, it is really the key point in this textual research. Part one in this context will have the brief for the origin, development, and transformation regarding Hong's audio-visual library. Part two is to introduce the main music activity hold by Hong's audio-visual library. Part three is to elaborate the special features and social roles for this audio-visual library. Part four will elaborate the social meaning regarding the talking data publication. Part five is to elaborate the social meaning for the music lecture class hold by the Hong's foundation.