西汉·王褒著的《僮约》,是我国最早而具有研究价值的茶叶文献之一。自唐宋刊行以来,久为世人和学者所重视。近二十多年来,有川报发表的《川茶史略》、朱自振的《茶叶史话》、茗叟的《略谈王褒的僮约》、艾彤的《茶趣》、孙占升的《茶和喝 The “Tong Yue” written by Western Han Wang Bao is one of the earliest and valuable research tea materials in our country. Since its publication in the Tang and Song Dynasties, it has long been valued by the world and academics. In the past two decades or so, there have been published “Sichuan Tea History” by Sichuan Daily, “Tea History” by Zhu Zizhen, “A Brief Talk about Wang Tong’s Tongyue” by Ming Zhu, “Tea Fun” by Ai Tong, And drink