Southeast   Asia,   including   Vietnam   in   the   nineteenth century, is a volatile area. Countries in the region have been invaded  by  colonial  countries.  In  that  period,  in  some countries in the region appeared the idea of reform of the country in which the reformof Nguyen Truong To the idea of historical significance is not only for Vietnam but also in the region of southeast Asia. With nearly 60 proposals, his country's innovative  ideas are a bright spot in the process of  the  history  of  modern  Southeast  Asia.This  research  is based   on   surveys   of   archived   documents   referring   to Nguyen Truong To's reform proposals still in Vietnam. This study uses documentary and logical methods to clarify the research  problem.  The  highest  goal  of  the  research  is  to point out the advances that Nguyen Truong To proposed to reform Vietnam at the end of the 19th century.