五四运动是反帝反封建的爱国运动,它造就和培养了一代青年知识分子,其中许多人始终坚持爱国的旗帜,为民族独立、国家富强而奋斗,何思源就是这批知识分子中典型的一位。何思源1915年考入北京大学预科,1918年升入北京大学文科哲学门。而这个时期正是中国“风雨如晦,鸡鸣不已”的时代,列强侵逼,残酷掠夺。民族危机日益严重,国内北洋政府祸国殃民,政治黑暗,内战不止。而北 The May 4th Movement was an anti-imperialist and anti-feudal patriotic movement that created and nurtured a generation of young intellectuals. Many of them persistently adhered to the banner of patriotism and struggled for national independence and prosperity of the country. He Siyuan is a typical example among these intellectuals One He Siyuan Peking University in 1915 admitted to the Foundation, 1918 rose Peking University liberal arts philosophy. This period was precisely the time when China was “stormy and crowded with endless crowds of crowds,” and the powers invaded and cruelly plundered. The national crisis is getting worse day by day. The domestic Beiyang government is disastrous for the country, the political darkness and the civil war. North