1905 went to Pingyang county college to study.
1906, he went to Japan, attended a crash course in Japanese at Hongwen College in Tokyo, and joined the China League.
1909 ——1913 studied in the forestry department of Imperial University in Hokkaido, Japan.
1913—1915 served as the principal of an agricultural school in Zhejiang.
1915 ——1922 director of forestry department of Jiangsu first agricultural school. 19 16 initiated the organization of China Agricultural Society, the first president and director-general of Ren Zhonghua Agricultural Society; 19 17 supported Ling Daoyang and others to initiate the establishment of China Forest Association.
1923- 1925 studied dendrology in Arnold Arboretum, Harvard University, USA, and 1924 obtained a master's degree, then went to Saxony Forest College in Germany for one year.
1925- 1952 Professor of Jinling University and Director of Forestry Department. During this period, 1927 participated in the 4th Pan-Pacific Science Conference held in Indonesia; /kloc-0 went to Taiwan Province province to inspect forestry in September, 1946; 1952 proposed to establish China Forestry Society and was elected as the vice chairman.
1952 ——1971was the director of the central forestry science research institute. 1960 served as the second vice chairman of China Forestry Society; 1962 served as the third vice chairman and acting chairman.
197 1 year 1 month 1 day died in Beijing.