1. Online shopping platform: Search for keywords such as "Pingju Red Sorghum Jiu-Er Headdress" on online shopping platforms such as Taobao and JD.COM, and related products will appear.
2. Drama shops: In some drama shops, the headdress of Pingju "Red Sorghum Jiu-Er" will be sold.
3. Drama performance agencies: Some drama performance agencies, drama jury or theaters will have channels to sell the Jiu-Er headdress of the drama Red Sorghum.