Shang Yang was a great politician who benefited the country and enriched the people, and was a relatively thorough feudal political reform movement. Shang Yang is a great politician who benefits the country and enriches the people. Shang Yang's political reform conformed to the trend of feudal historical development, was a relatively thorough feudal political reform movement in the Warring States period, promoted the transformation from slave society to feudal society, conformed to the interests of the emerging landlord class, and greatly promoted social progress and historical development.