Objective: The petition letters of the National Exhibition and Convention Center (NECC) Fangcang Hospital. Jiahe Xinyuan Hotel (Jiahe) Fangcang Hospital and designated Ruijin Hospital of North Branch (designated Hospital) were analyzed. and the discussion was focused on how to optimize the operation process. improve the quality of medical service. https://herbsdailyes.shop/product-category/mushrooms/