Abstract
The goals of enterprises are to use resources efficiently, minimize the costs or reduce unsuitable products with efficient process or production environment and take competitive advantages through efforts such as proper supply of good products, etc. so as to satisfy diversified customers and survive in rough competition. To reduce production costs, it's inevitable to make unsuitable products during the production in manufacturing process. Therefore, this researcher grasped LED assembly process and drew the results of productivity improvement through process analysis so as to improve productivity by process anlaysis.