Objective: The purpose of this study is to investigate the effects of hand dexterity, cognition skill, instrumental activities of daily living, and depression after cognition improvement activities in elderly welfare centers.\nMethod: The cognition improvement activities were performed for 10 ristimes on 20 elderly people.\nThis study assessed hand dexterity, cognition skills, IADL, and depression using grooved pegboard, MOCA-K, K-IADL, and K-GDS before and after cognition improvement activities.\nResult: After cognition improvement activities, hand dexterity improves positively and cognition skills and depression improves significantly. However, instrument activities of daily living was not affected by cognition improvement activities.\nConclusion: The cognition improvement activities affect positively on hand dexterity, cognition skills and depression. The elderly people of welfare center were highly satisfied with cognition improvement activities. However, this study were held in one welfare center in K city, so further study required to recruit more sample size and develop regional programs to generalize the result