When Lu Jing was young, he encouraged himself to study hard, especially interested in arithmetic. Written in the early years of Guangxu, The True Explanation of Firearms was recommended by Ni Xiumei to Peng Zuxian, the governor of Hubei Province, and was appreciated. She was hired to give lectures and publish in the Academy. In the 11th year of Guangxu (1885), he was promoted to the countryside by mathematics, and was recommended to North Korea by Gao Jianzhong, who specially took the magistrate of a county as the servant of Li Hongzhang, the governor of Zhili. Later, he successively served as magistrate of Zanhuang, Dingxing, Nangong and Feng Run counties, supervisor of Baoding University, academic ambassador of Zhili and academic ambassador of Fengtian.

In the 26th year of Guangxu, he was promoted to Duolun Noel Hall. In 29 years, he served as supervisor of Baoding University. In thirty-one years, he led Zhili officials and gentry to study in Japan. Yuan Shikai, a former official, suggested abolishing the imperial examination (China first proposed abolishing the imperial examination). In thirty-two years, he served as academic ambassador in Zhili. He advocated that running a school should "respect the martial arts, the reality and the masses, and plant the foundation of moral education, intellectual education and physical education", and put forward the idea of all-round development of morality, intelligence and physique for the first time. Turn heaven into a scholar.

During the Republic of China, real estate was widely purchased in Tianjin, Shanhaiguan, Qinhuangdao, Haikou and Beijing, and investment was made in Kailuan Coal Mine, Qixin, Ji 'an Waterworks, Hua Yao Glass Company and Zhangjiakou Electric Company to develop national industry and commerce.

Lu attaches great importance to education. He thinks that one of the biggest reasons why China is poor and weak is that most people have no education, but the fundamental reason for self-improvement lies in talents, and the cultivation of talents depends on education. Therefore, in addition to his own research on arithmetic and weapons, Lu urged officials to set up new schools and advocated "western learning" and "western learning" to make up for China's shortcomings. Pay attention to ancient books. Private libraries include "Zhi Zhi Pavilion" and "Shen Shi Jizhai", with more than 654.38 million books. Contrary to his brother Lu Bi's view of book collection, he is not limited to rare books and rare books, but pays attention to practicality and universality. According to Zhang Zhidong's bibliography question and answer, he has to refer to two books for every book he buys. Therefore, he collected a large number of books and famous school journals from the Qing, Kang and Gan Dynasties, compiled the Bibliography of Qing Dynasty, and collected more than 27,400 books. He not only attached great importance to private collections, but also attached great importance to the construction of public libraries, which made special contributions to the development of modern librarianship. At the end of Guangxu, two libraries were attached to the academy founded by Feng Run. Later, he founded Tianjin, Baoding and Fengtian Libraries and donated thousands of silver. After the Revolution of 1911, schools and libraries were established. Dozens of normal schools, law schools, agricultural, industrial, commercial, mining, fine arts and aquatic schools have been established. In the Republic of China 14 (1925), she donated money to set up Shangzhuang Primary School in Beidaihe, and all students were free. At that time, someone donated money to build a machine investment on the south bank of the Han River in Xiantao Town, his hometown, to fight floods. The masses call the head of a chicken "Lu rooster".

1927, he donated 65,438+10,000 yuan to build the library of Nankai University, and personally supervised it at the age of 73. He also donated 60,000 books from the private library of "Zhi Zhi Building" as the foundation of the new library. Nankai University named "Muzhai Library" to commemorate his contribution, which was built in 1928. Muzhai Education Foundation was established in Beijing, and a private Muzhai library for the public was founded, which was completed and opened on 1936. There are more than 200,000 thread-bound books, more than 4,500 new books and more than 0/00 magazines. Publish Beiping Private Muzhai Library Quarterly. The collection of private "Muzhai Library" was later given to Tsinghua University Library. There are 23,425 kinds of ancient books, including 1 0,868 kinds. Attach importance to the collection of rural literature. He has published four volumes of Four Hubei Zheng's suicide note, 720 volumes of Hubei Zheng's suicide note, 12 Mianyang series and 90 volumes of Shen Shi Jizhai series. Make a will in advance before death, and the inheritance will not be passed on to future generations for cultural and educational undertakings.