The invention provides a group of markers for predicting cytokine release syndrome and thrombosis of 2019 coronavirus disease and its application, kit and preparation method of the kit, belonging to the technical field of biomedicine. The markers of the present invention are VEGF-D, TNF-α, SCF, LIF, IL-2, IL-4, IL-6, IL-8, IL-10, IL-15, IL-17A, IL-17A, IL-8, respectively 18. IL-1β and IFN-γ. VEGF-D, TNF-α, SCF, LIF, IL-2, IL-4, IL-6, IL-8, IL-10, IL-15, IL-17A, IL-18, IL-18 provided by the present invention A group of ‑1β, IFN‑γ markers or the prepared kits can be used to predict the cytokine release syndrome and thrombosis storm of coronavirus disease 2019 (COVID‑19), which has the advantages of rapid detection, accuracy, and low cost. bright future.