In history，“Maritime Silk Road” Provided access to the country and survival opportunities for Indonesian overseas Chinese and in history Indonesian overseas Chinese also played a variety of roles，played a variety of functions in the “Maritime Silk Road”. Of course，These historical effects were influenced by a series of subjective and objective conditions，such as government policy and Sino-foreign relations，and the historical functions of Indonesian overseas Chinese has differences in the spontaneity and consciousness，individual and groups，and so on，which also provides some implications for us to give full play to the function of overseas Chinese in new “Maritime Silk Road” today.