Guide pepper is a geographical indication certification trademark.

The 2,000-ton Yijiayuan vegetable preservation warehouse built in Guide County has been put into use. Vegetable production in Hainan Prefecture is gradually developing towards centralized and large-scale production. Guide County relies on the registered "Guide Pepper" " trademark, 500 acres of pollution-free peppers are planted in Huanghe Village, Garang Township, and 2,600 acres of open-air peppers are planted in Erlian, Hope and other villages in surrounding areas;

Guide peppers are known for their long length, thin skin and flesh. It is famous both inside and outside the province for its thick, slightly spicy and crispy texture. Its origin is in the Guide Yellow River Valley at an altitude of about 2,200 meters. Guide pepper has been approved by geography for its unique taste, significant regional characteristics and pure natural, green and environmentally friendly endowments. Logo certification mark.