. The demonstration sites of high-quality valley planting are mainly Tifu village, Dacun village and Diancun village. In Xindi Town, 500 mu of mulberry, more than 20,000 mu of high-quality valley and 0/1000 mu of sugar orange are planted. Xindi Town invited leaders and business backbones of Yunan Agricultural Bureau of Guangdong Province to visit and guide, organized breeding households to visit Yunan Agricultural Bureau of Guangdong Province and mengshan county City for many times to strengthen cooperation, introduced four technicians to stay in the village for long-term guidance, held many training courses for sericulture technology and sugar orange management and protection technicians, and promoted excellent mulberry varieties with strong disease resistance and high-quality silkworm egg breeding technology. Xindi Town contacted merchants in many ways and implemented the model of "company+base+farmer" to purchase agricultural products at capital preservation and relieve farmers' worries. Yunan Changfeng Sericulture Co., Ltd. has been successfully introduced to establish a base in Xindi Town, and technicians have been sent to provide technical follow-up services to sericulture farmers, and two high-quality silkworm varieties, Hangx Baiyun and Matsui X Hao Yue, have been successfully promoted. Cocoons produced by Changfeng Sericulture Co., Ltd. are guaranteed to be purchased.