Infection, especially peritonitis, is one of the most important factors in the prognosis of patients with decompensated cirrhosis.33 The clinical data of 195 patients showed that Child‐Turcotte‐Pugh classification, ascitic WBC, and ascitic ALB were associated with the occurrence of SBP.34 The prognosis depends on the outcome in the battle between host and bacteria. The gene discussed is ALB; the disease is infection.