张松(?~212年),字永年。东汉末年崇宁县丰乐乡(今四川成都唐昌镇)人。他早年曾任益州牧刘璋的别驾(相当于幕僚长)。在刘璋身边多年,张松深深体会到他的无能和平庸,叹息自己生不逢时,因此一直努力寻找明主投靠。张松转而投奔刘备,受到刘备的热情款待。为了报答刘备的知遇之恩,张松自此甘愿充当刘备的间谍,从事颠覆刘璋的活动。在隐秘活 Zhang Song (? ~ 212 years), the word Yongnian. The late Eastern Han Dynasty Chongning County Fengle Township (now Chengdu, Sichuan Tangchang) people. In his early years, he served as a driver of Yi Zhou Mu Liu Zhang (equivalent to the chief of staff). For many years around Liu Zhang, Zhang Song deeply felt his incompetence and mediocrity, sighing his own time, so he has been trying hard to find the Lord to rely on. Zhang Song went defeat to Liu Bei, Liu Bei’s hospitality. To repay the grace of knowing Liu Bei, Zhang Song has since been willing to act as a spy for Liu Bei and engage in activities that subvert Liuzhang. Live in secret