Why does diversity in the workplace need to occur to satisfy future some organizations' needs? Significant changes in the workplace have occurred, due to downsizing and outsourcing, which has greatly affected the organization's human resource management needs to be changed also. For example, globalization and new technologies have changed workplace practices, and there has been a trend toward longer working hours. Generaly speaking, organizational restructuring usually results, in fewer people doing more work. So, some organizations' HRD When they need to discuss the non-efficient or below productive workers, again recruiting the new efficient working applicants to replace them. It is future organizational restructuring tend. So, any organization's HRD needs to concern how to devise to keep the most efficient workers to continue to serve for their organizational departments and how to select the most efficient applicants to do the jobs after the organization restructures. What benefits of diversity in the workplace are bought to the diverse organizations? Diversity is beneficial to both employees and employers. Although, employees are interdependent in the workplace, respecting individual differences can increase productivity. Diversity in the workplace can reduce lawsuits and increase marketing opportunities, e.g. foreign sale market development, recruitment of the most right overseas applicants to do the jobs which need overseas educational learning knowledge and overseas working experiene, creating and building good business image to overseas market. When flexibility and creativity are keys to competitiveness, diversity is critical for a organization's sussess. Also, the consequences of loss of time and money should avoid.Hence, future department managers need to own managing a diverse work population working experience when their organizations are international. Training department also needs to provide training courses to train new employing managers to learn how to deal more simply acknowledging differences in people. It involves learn how to teach every team's staffs to accept recognizing the value of differences, learn how to deal combating discrimination, and learn how to make reasonable decision to select whom can be the right staff to be promote as well as learn how to deal complaints an dlegal action against the organization. Due to different countries people work together to non necessary cause argument.However, HRD and department managers need to know negative attitudes and behaviors can be barrier to organizational diversity because they can harm working relationships and damage morale and work productivity. Negative attitudes and behaviors in the workplace include: prejudice, discrimination, which should never be needed by management for hiring and termination practices, it can lead to raise organizational cost in long term, because the organization will have many overseas staffs choose to resign, if they felt discrimination is serious. Then these organizations will have lost any talent overseas staffs, due to their designation, any team efficiency will reduce, even performance will be poor when any team lacks talent overseas or different countries staffs and itself local staffs to work together. Hence, management level to staffs, e.g. supervisors, managers need to be trained to learn how to avoid to bring negative attitudes and behaviors to let overseas foreign countries staffs to feel unhappu to work together.