二、茶在国内的传播茶的利用,最初局限于巴蜀一带,即今西南地区。秦汉统一中国之后,促进了西南地区与中原地区的经济、文化交流,随着四川及西南地区的茶叶作为贡品纳贡,茶树种植、采制和饮用方法,也开始向当时政治、经济、文化中心的陕西、河南等地传播。特别是司马错和刘邦先后率领蜀众下伐楚,进一步促使四川和长江中下游地区的经济、文化 Second, the spread of tea in the country The use of tea, initially confined to the Bashu area, now the Southwest. After the reunification of China, Qin and Han promoted the economic and cultural exchanges between the southwestern region and the Central Plains. With the tea in Sichuan and southwestern regions as the tribute tribute, the cultivation, harvesting and drinking of tea trees started to spread to the then political, economic and cultural centers Shaanxi, Henan and other places spread. In particular, Sima Cuo and Liu Bang led the floodgates to make further efforts to further promote the economy and culture of the middle and lower reaches of Sichuan and the Yangtze River