咸平六年四月望都之战后,宋辽双方在河北缘边地区皆加强战备,辽以游骑对宋实施骚扰,因之在局部区域时有冲突发生。《长编》卷五六景德元年正月条:丙申(十一日),威虜军、莫州并言:“契丹奚王及南宰相、皇太妃、令公各率兵四万馀骑,自鉴城川抵涿州,声言修平塞军及故城容城。”上曰:“敌骑利野战,缮完城堡,或非其意,即诏边臣谨斥候,敌若有事于三城,则併力城望 After the battle of Wangdu in April of the same year, Song and Liao sides stepped up their combat readiness in the border area of ​​Hebei Province. Liaoning conducted harassment on the Song Dynasty in the vicinity of the Song Dynasty. As a result, clashes took place in some areas. ”Changbian“ Volume 56 Sixth Kingdoms first month: Bingshen (11th), Weilujun, Mozhou and said: ”Qidan Xi Wang and South Prime Minister, Royal Tia, so that the rate of more than 40,000 soldiers Riding, since the Cheng Chuan arrived Dan state, claiming to repair the Serbian Cypriot Army and Gucheng Rongcheng. “On the said:” Enemy cavalry field, finished the castle, or non-meaning, that Chao minister Chen scruples, the enemy if something happened Three cities, and then look at the city