中国农村信用合作事业历经坎坷，发展到今天已成为全国金融界一支举足轻重的生力军。农村信用社能取得如此辉煌的成就，离不开地方党政部门的支持，离不开第一线广大信用社员工的艰苦奋斗，更离不开十年来默默奉献的县以上信合管理干部的辛勤工作。本文介绍的兰创国同志便是全国县以上信合管理干部中平凡而典型的代表。 After years of ups and downs in the cause of rural credit cooperation in China, development has now become a pivotal force in the financial community in the country. Rural credit cooperatives can make such brilliant achievements can not be separated from the support of local party and government departments, can not do without the first line of the vast number of credit staff hard work, but also inseparable from the dedication over the past decade cohesion of cadres at and above the county level work hard. This article describes Lan Chongguo comrades who are ordinary and typical representatives of the cadres at the county level in China.