“家”指共同生活的眷属和他们生活的地方。“国”指有土地、人民、主权的政体。“家”与“国”是什么关系呢?钱穆先生说:“有家而有国,次亦是人文化成。中国俗语连称国家,因是化家成国,家国一体,故得连称。也如身家连称。有如民族,有了家便成族,族与族相处,便成一大群体,称之曰民族。此亦由人文化成。”[1]家国一体,“忠孝相通”。蔡和森自觉践行“修身、齐家、治国、平天下”的个人理想和远大抱负,以他的家国情怀教育全国人民,特别是当代青年, “Home ” refers to the dependents living together and where they live. “Country ” refers to the government with land, people and sovereignty. What is the relationship between “home” and “country”? Mr. Qian Mu said: “There is a home, a country, and a second is human culture.” The Chinese saying goes even to the state, As a whole, it was even called .And as the netlink .As a nation, with a family will become a tribe, family and the family get along, will become a large group, called the nation .This is also made of human culture. “[1] Home country, ”loyalty and filial piety “. Cai Hesen conscientiously practiced his personal ideals and ambitious vision of ”self-cultivation, getting along well with the country, governing the country and world peace," educating the entire nation, especially the contemporary youth, with his hometown feelings.