On Relationship between Southeast Chongqing's Tusi and Central Government Taking Youyang and Shizhu as Examples

Chongqing's southeast Tusi in Ming dynasty carefully followed the central govenment's system,established a stable and sound social relations with the central dynasty,which not only stabilized its rule on the local economy,but also had a profound impact on politics and culture.From this the historical development outline of the southwest can be seen clearly,economic development and cultural progress of the experiences and lessons can be promoted.A historical basis can be provided for the better development of the southwest China.