Abstract: Agricultured land made pastoral area become agriculture-nomadism-band，which caused land govern right moving from Mongolian to immigrant by renting in Qing Dynasty. Producing and changing rules firmed resources circulate，thus new rules and old rules brought society variation in common. The effect of land renting rule to Mongolia area was outstanding for nation element，while it was not so clear in those rules' source area，namely Jiangnan area. This article tries to understand the effect of renting rule to society variation through edge society.