紅襖軍是金元之際縱橫山東、淮海地區的武裝集團，對當時的宋、金、元三個政權以至未來的中國歷史發展進程皆有一定程度的影響。楊安兒是紅襖軍第一代首領。他是以手工業為主要生計來源的地方豪強領袖，曾任金朝官員，會河堡之役後曾與蒙軍作戰，戰敗後逃回山東並在益都府一帶活動。金宣宗貞祐二年楊安兒至膠東半島後，他的勢力迅速擴大，建立天順政權。但在金軍圍剿下最終敗亡。楊安兒集團的組成以楊家堡、楊安兒早期結識的山東豪傑以及鐵瓦敢戰軍三個部分為核心，成員所屬階層相當複雜，並非是單純的農民起義軍。他並不忠於宋朝，宋朝對他而言只是抗衡金軍的利用對象。

The Red Coat Army was an armed group between Shandong and Huaihai regions between the Jin and Yuan Dynasties. It had a certain degree of influence on the three historical regimes of Song, Jin and Yuan and the future development of Chinese history. Yang An Er is the first leader of the Red Coat Army. He is a local leader with a handicraft industry as his main source of livelihood. He served as an official of the Jin Dynasty. He had to fight with the Mongolian army after the battle in the hui he castle, after the defeat, he fled back to Shandong and activities in Yidu. In 1214, he arrived in Jiaodong Peninsula, his influence expanded rapidly, and the establishment of Tianshun regime. But it was eventually destroyed by the army of the Jin dynasty. His core group is young's clan, Shandong hero and tie wa Gan Zhan army, members of the social class is quite complex, not simply the peasant uprising army. He was not loyal to the Song Dynasty, the Song Dynasty was only a tool for him against the Jin dynasty.