In developing countries, there is a need to acquire advanced skills, techniques, and knowledge of developed countries in order to develop human resources who will play a leading role in economic development and industrial promotion. In Japan, in order to meet this need, the purpose is to accept people from other countries into the industrial world for a certain period of time, to acquire industrial skills, etc., and to develop human resources who will be responsible for the economic development of that country. To​ It plays an important role in international cooperation and contribution. For training implementation organizations (accepting companies), it is useful for strengthening relationships with foreign companies, internationalizing management, and revitalizing the company.