The advantage of setting up base areas in mountainous regions is obvious, and those which have been, are being or will be established in the Changpai,Wutai,Taihang,Taishan,Yenshan and Maoshan Mountains all belong to this type.

• 山地建立根据地之有利是人人明白的，已经建立或正在建立或准备建立的长白山、五台山、太行山、泰山、燕山、茅山等根据地都是。