ChinaXiv-Biotech is jointly established by Chinese Society of Biotechnology and ChinaXiv, supporting preprint communication in the field of biotechnology. ChinaXiv is a preprint server deployed by the Chinese Academy of Sciences and built by National Science Library, Chinese Academy of Sciences in 2016 and operated in accordance with international norms( ChinaXiv adheres to the principle of "academic leadership, public welfare services, efficient communication, and open dissemination", and is committed to building a national level preprint communication infrastructure, assisting scientific research institutions in establishing open science infrastructure in this field, and helping traditional scientific journals transform and develop towards open science service models.