In old patients with hip fracture, over 75 years old, combined coronary heart disease, combined arrhythmology, hemoglobin < 100 g/L at admission, albumin < 40 g/L at admission, and increased intraoperative blood loss were associated with the occurrence of AHF according to univariate Logistic analysis (p < 0.20). The gene discussed is ALB; the disease is bone fracture.