OTC ( Over The Counter is referred to as OTC) markets emerged after the Chinese government classified the drugs in 1999. Although the market develops only a decade or so, the speed of development is very fast. 非处方药(Overthecounter简称OTC)市场是我国1999年实施药品分类管理以来新兴的市场,其正式形成只有十年左右的时间,然而发展速度却十分迅速。