Zhu (1 130— 1200) was a famous philosopher, thinker, philosopher, poet, educator and writer in the Southern Song Dynasty. Han nationality, dark personality, later changed to Zhonghui, named Huian. Alias Ziyang, ancestral home in Wuyuan, Huizhou (now Jiangxi), living in Jianyang (now Fujian) Chong 'an. His father Zhu Song and Song Xuanhe served as county commandant in Zhenghe County, Fujian Province, and an overseas Chinese lived in Jianyang, Chong 'an (now Fujian), and then moved to Kaoting. His father, Zhu Song, was a scholar and worked as a writer and an official. He knew Raozhou because he opposed Qin Gui's compromise, but he died before he arrived. At this time, Zhu was 14 years old. He was instructed by his father, studied under Liu Zi and others, and settled in Wulifu, Chong 'an (now Wuyishan City, Fujian Province) with his mother. 19 years old [in the eighteenth year of Shaoxing (1 148)] took the provincial examination and Gongkao with Jianyang nationality. Chinese scholar list. During the four dynasties of Emperor Gaozong, Emperor Xiaozong, Emperor Guangzong and Emperor Ningzong, he served as the director of Nankang, the prefect of Jiangxi prison affairs, and the editor of secret cabinet. Later, recommended by Zhao Ruyu, he was promoted to waiter and lecturer of Huan. In the third year of Qingyuan (1 197), Han Tuozhou usurped power and refused Zhao Ruyu. Zhu was also dismissed and went home. Qingyuan six years, died of illness. In the second year of Jiading (1209), he wrote a letter of goodwill, wrote an obituary, found a Chinese medicine practitioner, and awarded him a bachelor's degree in Mo Bao Pavilion. In the third year of Li Zongbaoqing's reign (1227), he gave it to a surname, chased lord protector, and changed his emblem to lord protector. He is the main representative of Cheng Zhu School. His poems include reading, spring day, boating and other famous articles, as well as four books and the original meaning of Zhouyi.