Profesor Yihuai Gao memiliki prestasi tinggi di bidang penelitian sumber daya alam serta memberikan sumbangsih besar terutama di bidang budi daya jamur obat, kandungan farmakologi serta teknologi ekstraksi, beliau juga telah mendapatkan berbagai penghargaan internasional dan memiliki berbagai posisi penting, berikut :

1. Ahli mikologi, ilmuwan medis, dan ahli gizi internasional ternama.
2. Kepala ilmuwan dari New Zealand's Crown Research.
3. Kepala ilmuwan dari Bioactivity Research New Zealand.
4. Peneliti senior di Massey University dan Riddet Institute pada bidang Human Health Research Centre.
5. President of New Zealand Institute of Natural Medicine Research.
6. Dewan editor Bentham Science Publishers.
7. Komite tetap International Society for the Study of Xenobiotics ( ISSX ).
8. Ketua Ningde Biological Medicine Research and Development Center.
9. Dosen, profesor tamu dan profesor kehormatan di Massey University, Shanghai Jiao Tong University, Qingdao University, Lanzhou University, Fujian Agriculture and Forestry University, Fujian College of Traditional Chinese Medicine dan berbagai universitas terkemuka di dunia.
10. Tamu undangan perwakilan luar negeri di The 11th Chinese People's Political Consultative Conference.
11. Komite Overseas Consultants of Overseas Chinese Affairs Office under the State Council of the People's Republic of China.
12. President of China Economic & Technological Promotion Council of New Zealand.
13. Pemimpin anggota The Asia 2000 Foundation of New Zealand.
14. President Alpha Group Holdings Company.