元朝末年,元军和朱元璋(明朝的开国皇帝)领导的义军在黄河北面展开了拉锯战。这可苦了这一带的老百姓,元军来了要欢迎,义军来了也要欢迎。河南北部的怀庆府人生活节俭,舍不得花钱买纸写欢迎标语,便想出了一个好办法。现在说的“两面派”就是从怀庆府 In the last years of the Yuan Dynasty, the rebel forces led by Yuan Jun and Zhu Yuanzhang (the founding emperor of the Ming Dynasty) started a tug of war in the north of the Yellow River. This can endure the people in this area. The Yuan Army has come to welcome and the rebel army has come to welcome it. The people of Huaiqing Prefecture in northern Henan are frugal in their lives. They are reluctant to spend money on paper to write welcome banners and come up with a good idea. Now that “two-faced faction” is from Huaiqing