In the second year of Tongzhi in Qing Dynasty (1863), Chen Lanbin returned to Beijing and was ordered to clean up the backlog of cases, which cleared up many unjust cases. Later, due to the flooding of the Yellow River, he was ordered to give relief to Daming House to rescue a large number of victims. And personally visited the two sides of the Yellow River to study the key points of river management, and wrote 8 volumes of "Talking about River Management", and put forward the active proposition of radical treatment of the Yellow River.
In order to train military talents and learn foreign technology, the Qing government decided to send four batches of *** 120 young children to study in the United States in the eleventh year of Tongzhi in Qing Dynasty (1872). On August 11th, 1998, Chen Lanbin was appointed as the supervisor and Rong Hong as the deputy supervisor, leading the first batch of 30 schoolchildren to study in the United States, which was the first batch of students studying in the United States in modern China. Many students study hard, and after a few years, they finish primary school and middle school and enter university. Zhan Tianyou, for example. Wu Tingfang, Tang Shaoyi, Liang Dunyan and others, such as Zhan Tianyou, have made great contributions to China's railway industry after their return.
During his stay in the United States, Chen Lanbin was appointed as Cuba's special envoy to investigate and understand the situation of Cuban overseas Chinese being enslaved, persecuted, traded, whipped, and destitute, and submitted a detailed investigation report to the Qing government. The following year, he negotiated with the Spanish authorities of Cuban colonists, and as a result, he signed the "Cuban Chinese Workers Clause" to improve the treatment of Chinese workers, which solved many problems of Chinese workers' suffering, personal freedom and legitimate rights and interests.
In the fourth year of Guangxu reign (1878), the Qing court appointed Chen Lanbin as the ambassador to the United States, Spain and Peru. During his tenure, he continued to understand the situation of overseas Chinese workers, cared about their work and life, and made representations and protests to the host countries many times to ensure their interests, which was deeply loved by overseas Chinese. Guangxu returned to China by imperial edict in the seventh year.
Chen Lanbin has served as the official of Taichang Temple, the official of Zongren Mansion, the left deputy of Douchayuan as an adviser and senior minister, the Prime Minister's Minister of National Affairs and the right assistant minister of Ministry of War, and the left assistant minister of does, and also served as the ambassador to the United States, Spain and Peru.
Returning home in his later years, he lectured at Gaowen Academy and compiled 24 volumes of Gaozhou Prefecture Records. Wuchuan County Records 10, Wuchuan Customs Records 1 0, Shicheng County Records 10; He is also the author of Notes on Mao Poems, A Brief Account of Making Beauty, and Making Beauty Hundred Chants. A collection of poems and essays, such as A Brief Talk on Governing the River, Pan Cuo Shi Cao, and Chong Ji Qian Zi Wen.
In the 20th year of Guangxu reign in Qing Dynasty (1895), Chen Lanbin died at home on December 14th at the age of 79.