Beauty pepper, fruit corn, etc. Tonghai County, affiliated to Yuxi City, Yunnan Province, is located in the south-central part of Yunnan Province, on the lake plain beside Qilu Lake. According to Dianping, the fruits and vegetables on the market in Tonghai County in September 2022 include bell peppers and fruit corn. Chinese cabbage etc. In Tonghai County, humans have been living by Qilu Lake as early as the Neolithic period.