The "natural conditions and social customs" is a way of self-discovery,which plays an indispensible and irreplaceable role in the formation of personality.Ninomiya Mackie is a farmer politician noteworthy for his achievements in leading the economic reconstruction with over 610 vassal state,counties and villages in the late Edo period in Japan.He experienced the Japanese Meiji,Showa and other historical periods and post-war era and has consistently been exalted as the national model set by the Japanese nation and society,which,of course,has its historical,social,ideological and other causes.But his unique diligence,perseverance,profound thinking and natural character of sensibility can be recognized by the majority of people.Some important factors cannot be ignored.This paper intends to probe into his characteristics and its appealing factors from the perspective of natural conditions and social customs.