In the high cold wet zone, using fill gap macadam bed course or lime stabilized soil base course can prevent mud boil availably. Preventing roads from water damage and artificial complications, and fathering roads hazards with colligate measures. 高寒阴湿地区特殊的气候条件下,填隙碎石垫层和石灰土结构层是防治路基冻胀翻浆的有效技术措施。