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(https://chinaxiv.org/). 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.