Prof. Han has completed many research projects in the fields of phytochemistry, methodology of tracking active ingredients from natural products using HSCCC, and quality analysis of herb formula medicnies.

Now in SCM, HKBU, his research focuses on the quality analysis of Chinese medicine decoction and polysaccharide-rich Chinese medicines, as well as the chemistry, oral bioavailability, and bioactivities of polysaccharide. One of the interesting project is to develop an oral vaccine platform based on lymphatic-absorbed polysaccharide.

韓全斌教授現任中藥多糖與腸道免疫研究中心主任、香港名貴中藥檢定中心創始人、Photochemical Analysis主編。目前的主要研究興趣為中藥多糖的化學丶質控及生物活性研究。共發表SCI論文200余篇（第一作者40篇），總引用8000+次，Google scholar H因子57，獲中外專利20+項，轉讓授權18項，連續多年列全球top 2% 科學家。