Objective To study the relationgship and the clinical significance between plasma fibrinogen and fractional flow reserve(FFR)in coronary intermediate lesions.Methods The patients were from The Department of Cardiovascular of Affiliated Hospital of Xuzhou Medical College.Their coronary artery lesions were assessed by CAG Objective To study the relationgship and the clinical significance between plasma fibrinogen and fractional flow reserve (FFR) in coronary intermediate lesions. Methods The patients were from The Department of Cardiovascular of Affiliated Hospital of Xuzhou Medical College.Their coronary artery lesions were assessed by CAG