Brief introduction of Tunxi: Tunxi County, a county under the jurisdiction of Zhanjiang City, Guangdong Province, and Haikang and Xuwen are collectively known as “Sanlei”, which is one of the main birthplaces of Leizhou culture. Suixi County is located in the northern part of Leizhou Peninsula in the south of China, 16 kilometers away from Zhanjiang City in the east of the port city, south of Hainan Island, west of Guangxi and Guangxi Beihai City, and south of Leizhou City and North and Lianjiang City. Pick up. Tunxi is the “first sweet county in the country” and “the hometown of Chinese lions”. Suixi County has a long coastline, many harbors, rich seafood, beautiful land, evergreen seasons, warm winters and cool summers, pleasant climate and rich agricultural products. Yucheng County in Luxi County has always been a prosperous market for economic and trade in western Guangdong. It is one of the main commercial ports in China's Namdaemun. It is an important center of politics, military, economy, culture and transportation in Leizhou Peninsula. The Cao Dian Beiqiu site in Suixi County is a place where human settlements in the Neolithic Age 7000-8000 years ago was the earliest place where humans lived in Leizhou Peninsula, and it was called the “First Village of Leizhou Peninsula”. [4-5]