The following agreements were newly established between CUHK and tertiary institutions in mainland China / Taiwan:
| Date | Name of Agreement |
| 15/7/2021 | Agreement on the Establishment of Guangdong-Hong Kong-Macao University Alliance for Smart Campus among Sun Yat-Sen University, Jinan University, University of Hong Kong, The Chinese University of Hong Kong, The Hong Kong Polytechnic University, City University of Hong Kong, Hong Kong Baptist University, The Hong Kong University of Science and Technology, Lingnan University, The Education University of Hong Kong, University of Macau and Macao Polytechnic Institute |
| 22/7/2021 | Memorandum of Understanding regarding the Exchange of Students between College of Commerce, National Chengchi University and Faculty of Business Administration, The Chinese University of Hong Kong (Renewal) |
| 2/8/2021 | Agreement for Joint Training Scheme for Master’s Students between International Business School, Zhejiang University and Faculty of Engineering, CUHK |
| 24/8/2021 | Memorandum of Understanding regarding the Exchange of Students between College of Science, National Taiwan University and Faculty of Science, The Chinese University of Hong Kong (Renewal) |
| 30/8/2021 | Memorandum of Understanding on General Collaboration between the College of Life Science, Fujian Agriculture and Forestry University, China and the School of Life Sciences, Faculty of Science, CUHK (Renewal) |
| 30/8/2021 | Memorandum of Understanding on General Collaboration between the College of Crop Science, Fujian Agriculture and Forestry University, China and the School of Life Sciences, Faculty of Science, CUHK (Renewal) |
| 8/9/2021 | Agreement for Strategic Development and Academic Collaboration between Shandong University and CUHK |
| 20/10/2021 | Agreement for Strategic Collaboration Framework between Zhejiang Lab and CUHK |