Abstract
Presently, the reduction of the life cycle of the products is advanced. As a primary factor, manufactures have listed diversification of customer needs. Therefore, it is necessary to supply quickly the various products to the customers from the manufactures. In this study, we focus on assembly works in the production process and we study human workload for assemblability. As a difference with the former assembly evaluation, we develop a new assembly evaluation by using bioinstrument to measure the workload of the assembly.