The commercial law made sure that business adhered to the path of feudal economy. The legalization of buying and selling of land was helpful to the development of the feudal economy, the legal business activities of the land-owners and peasants promoted the development of the feudal economy. 商法保证商业朝地主制经济轨道发展,土地买卖的合法有利于地主制经济的发展,地主、农民合法商业活动促进了地主制经济的发展。