The Union was initiated and founded by the national societies within CAST based on the principles of "voluntary participation, equality, and cooperation". All societies within the life sciences may apply for a membership on a voluntary basis. The organization’s mission is to promote innovation and scientific development without interfering with the work of the member organizations. To meet this goal, The Union will explore innovative management models to promote resource sharing, science popularization, academic exchange, and improvements within each member society, through training, consultancy, and joint development. Through these activities, The Union will enhance life science research and development, contributing to human health, knowledge and culture, and the economic and social development of China. The Union's tenet is "fairness, cooperation, responsibility and development". The Union is subject to the supervision of its member societies.
The Union's mission is to unite research personnel in the life sciences and to promote the prosperity and development of the life sciences in China; to create and refine a mechanism for the sharing of academic and human resources, to promote the growth and improvement of scientific personnel, and to better train young research talents; to enhance communication among government authorities so as to promote the transfer of government functions to the societies, to push forward the harmonious development of the member societies, and to increase the ability of the societies to undertake the functions transferred from the government; to promote the popularization and promotion of sciences and technologies, and to strengthen the industry-university-research connection; to deepen domestic and international cooperation and exchange, to increase the overall national competitiveness of the member life science societies, and to better serve national economic growth, the improvement of the scientific quality of the general public, and all the scientific personnel dedicated to life sciences.