First of all, you should fully understand the characteristics of Bupleurum, the planting conditions of the origin (including whether the growing environment of plants is polluted), the texture of products and other information. There are several differences in appearance due to different places of origin. After the acquisition, it should be stored separately. You can't accept fakes just because you don't understand.

It is best to buy the original medicinal materials, that is, unprocessed (fried, etc. ). Because its processing is strict, it is very discrete when buying processed products from various households, and the price difference between you and the drug dealer is also large, so you are not economical.

If you buy wild medicinal materials, you must remember that you can only entrust 1 Chengxin medicine farmers to collect them every 50 kilometers! And was told that only semi-finished products of corresponding factory age could be collected and purchased. Otherwise, everyone will rush to dig, and some will even disappear in 1 year. The ecology will be destroyed (you will never get the goods after the second year).