Shennong tasted hundreds of grasses and found herbs during the legend period. The appearance of prescription should be so early if single drug was regarded as single-item recipe.

传说时代神农尝百草发现药物，如将单味药视为单方，那么方剂的出现就很早了。

youdao

Shennong tasted hundreds of grasses and found herbs during the legend period. The appearance of prescription should be so early if single drug was regarded as single-item recipe.

传说时代神农尝百草发现药物，如将单味药视为单方，那么方剂的出现就很早了。

youdao