1. Application of the homology of medicine and food and the theory of five elements of health preservation: Fuxiangnian selenium-enriched health care products are developed according to the homology theory of medicine and food and the theory of five elements of health preservation, which combines health care products with daily diet to make them more in line with human health needs.

2. Quality assurance of selenium-enriched organic agricultural products: Fuxiang Nian selenium-enriched health care products series all adopt selenium-enriched organic agricultural products as raw materials, and ensure the quality and safety of products through strict production technology and quality control system.