徐旭曾生于清代中叶,是目前所见最早对客家历史文化进行研究的学者。他的《丰湖杂记》,不仅解答了当时客家人面临的诸多困惑问题,也对客家历史文化脉络作出了较为精当的阐述,成为论述客家历史文化的开山之作;其严谨的治学态度和注重文献资料与社会调查资料综合分析的研究方法,亦为后来的客家研究者树立了榜样,不愧为客家研究的开山鼻祖。
Xu Xu existed in the middle of qing dynasty, is the earliest seen scholars study of hakka history and cul- ture. His "feng lake stories", not only solve the puzzled problems facing hakka, also of hakka history and culture context has made more accurate, become a staple of hakka history and culture is discussed; The rigorous doing scholarly research attitude and pay attention to literature and social investigation data comprehensive analysis of research methods, also has set an example to the later researchers of hakka. He deserves to be the fathers of hakka research.