Abstract: Promoting the in-depth development of selenium-rich agricultural products is great significance to consolidate the achievements of poverty alleviation in Kaiyang County, further implement the rural revitalization strategy, and promote the construction of Healthy China. In recent years, Kaiyang County has focused on building selenium-rich ecological construction, which has played an important role in selenium-rich characteristic industries, selenium-rich agricultural product production, and selenium-rich farmers income increase. However, the development of selenium-rich agricultural products also has insufficient policy support, insufficient capital investment and talent allocation, non-standard brand and market construction, imperfect product standards, and inadequate publicity and promotion. Based on this situation, this study closely follows the purpose of in-depth development of selenium-rich agricultural products, and proposes to accelerate industrial agglomeration, promote product finishing, strengthen financial support, optimize the talent team, focus on the advantages of selenium-rich, adhere to green priority development, strengthen brand building, polish the ‘selenium’ brand, strengthen selenium product standards, and establish product traceability system.