Objective: To carry out multicenter prospective investigation and study in Guangdong region,and to explore characteristics of acute coronary syndrome syndromes in Guangdong area. Methods: Through cases collection 13 sub-center for 1 year in Guangdong area,total included 109 patients with acute coronary syndrome,mainly investigated the distribution features of the syndrome elements and their combination,the paper mainly discussed from acute to subacute phase of syndromes evolution rule. Results: This study f...