Yaopo， also known as Lingcaopo， has herbal fragrance， and is made from resin secreted by conifers and cypresses through geological changes， dehydration and mineralization.
农村女生摘来玩的珠子，原来也是一味草药，你戴过毛草珠项链不？毛草珠，又叫丝草，农村很多地方都有。浙江、山东、四川、江苏及华南华北，女生经常拿来串柱子。但是，毛草珠居然是一味草药。毛草珠全草入药，性，甘、凉。
