In order to further implement the sustainable development strategy of China and promote the treatment and resource utilization of organic solid waste, entrusted by the International Bioprocessing Association (IBA) and Shaanxi Federal Association for Science and Technology in Universities, funded by K.C. Wong Education Foundation, Northwest A&F University, China Agricultural University and Institute of Agricultural Resources, Regional Planning, Chinese Academy of Agricultural Sciences (CAA) and Management Committe of Yangling Agricultural High-tech Industrial Demonstration Zone will host the 2^nd International Conference on Sustainable Solid Waste Treatment and Management (2^nd SWTM) in Yangling, Shaanxi Province from July 15 to 18, 2021. The international conference focuses on cutting-edge biotechnology for solid waste treatment and resource utilization, inviting scientists, engineers and other experts from all over the world who have made outstanding contributions in the fields of Organic waste to fuels and chemicals/biochemicals, Biological treatment and resource recovery of mining solid waste, Aerobic composting of solid waste and pollution control, Organic waste to biochar and its application, Recycling treatment of municipal solid waste and Nano-technology and its applications in solid waste treatment. The conference will provide an unique platform for participants from all walks of life and academic institutions to share their research and views.