赛典赤在云南的施政 ,一定程度上反映了蒙古族统治者进入中原后统治思想及治策的变化。从赛典赤对云南的施治可以看出 ,蒙元的民族统治政策的内容和影响十分复杂 ,既有“四等人制”下重点对汉族的压迫和防范 ,也有在信任边疆少数民族基础上形成的土官制度。就云南等南方边疆地区而言 ,蒙元民族统治政策的后一部分积极意义较为明显。因此 ,有必要对蒙元的民族统治政策作更深入的研究 Xiding Code red in Yunnan’s governance, to some extent, reflects the Mongolian rulers into the Central Plains after the thought and policy changes. From Xidingdian to Yunnan, we can see that the content and influence of Mongolian national reign policy is very complicated, which includes the stress and precaution of the Han nationality under the “four-person system” as well as the foundation of trusting the ethnic minorities Formed on the official system. In the case of Yunnan and other southern frontier areas, the positive part of the second part of the Mongolian national rule is more obvious. Therefore, it is necessary to make a more in-depth study of Mongolian nationality policy