1. Farmers' markets: There are many farmers' markets in Guiyang, such as Huaguoshan Farmers' Market in Guiyang and Nanming Farmers' Market in Guiyang. In most cases, there are many suppliers of agricultural products in these markets, and you can find suppliers of dodder frog and dodder in these markets.
2. Traditional vegetable market: Guiyang traditional vegetable market is also a place to buy small frog dodder and dodder. You can try Guiyang Qianling Vegetable Market and Guiyang Liangliang Vegetable Market.
3. Online shopping platform: You can also try to search for small frog dodder and dodder on the online shopping platform in Guiyang, such as Taobao and JD.COM.