Objective：To prevent cross infection between confirmed patients and double negative patients，and between them and medical staff in the isolation ward of suspected patients with new coronavirus pneumonia. Methods：Transferring process chart was designed from four aspects of doctors，nurses，staff and patients. Results：There was no cross infection among 405 patients，doctors，nurses，and logistic staff. Conclusion：This process makes medical staff understand their positions and responsibilities，avoiding cross infection and better protecting all，so as to provide a reference for the clinical fight against the epidemic situation caused by new coronavirus pneumonia.