CRP and Hypokalemia: In this study, CRP was increased in all patients, and PCT was increased in 13 patients (3.1 ± 2.3); 3 LDH and CK were significantly increased, and some of them were dozens of times higher than the upper limit of normal; 4 Patients with high fever, high consumption, often accompanied by hypokalemia and hypoproteinemia; 5 The imaging changes of the lung are mainly exudation and consolidation of different degrees.