Human resource management, also known as human resource management, it is the search, exploitation, management and use of human resources in an enterprise in the most reasonable and effective manner. Because it is the managers or employees who brings real value to the company and society. So, this is a very important job function of the business and affects the performance of every business in any field. According to the theory learned, in order to have a successful business today, it is certain to own a team of good, talented employees and developed technology. However, there is another factor that plays an equally important role, which is the human resource department manager in the enterprise. Because they have enough skills and knowledge to know the capability capacity of each employees within the organisation. Thereby exploiting and allocating human resources so that the whole company apparatus is operating at the highest capacity. In addition, they are also the organizers of training activities, activities, and networking programs that create the company's culture. That indirectly promotes the morale and positive working attitude of employees. Another important role of human resource management is to contribute to solving employment and welfare problems for employees of the enterprise. From that reason, it can be seen that the human resource management department plays a very important role that no business or company can ignore if they want to develop sustainably. In order to have a competent and effective human resource manager, enterprises will recruit personnel by a series of candidate search activities on social networking forums, such as, recruitment websites, Facebook, WhatsApp, stay in touch with the university, etc. After the business has contacted, interviewed and selected an excellent candidate and suitable for the job and the company's culture. First, in the human resource management department of the enterprise, there will be a human resources department, which is an employee in the company's human resources or reception department. This is a position with a relatively light job and stable income, not affected by external factors. For example, an administrator working in the administrative and human resources department will be responsible for work related to administrative procedures, jobs related to archiving documents, storing personal information, and customers. and company personnel. Although this job is not difficult, it is also one of the important departments in the company. Because this is a place to store a lot of important information, it is provided which is utilised by many departments in the company. If there is a mistake, it will have a big impact on the company as it will lead to wrong decision making and future of the business will be at stake. Secondly, the department of communication Specialist is a job of a communication specialist, mainly working within the company, skilfully solving problems that may arise such as relationships, cooperation between departments, etc. In addition, they must also take up creative ideas to communicate the image of the business. For example, to plan, prepare content or create an idea for an event to promote products and brands of the business, the department of communications specialists will undertake and prepare meticulously. From there, communication staff will create trust with customers, at the same time create sympathy and interest in the company's products and services. From the above information, the department of communications specialists in the human resource management industry is also extremely important, it contributes to increasing the company's sales and market share. The third role of the human resource management industry is the personnel planning and training department. The task of this position is to plan the search for personnel through a variety of different channels, ensuring the recruitment of enough human resources for the company within the allotted time. In addition, you can also take on the task of training and imparting knowledge to new employees. From there, the management team of each part of the business will be more certain. For example, human resource planning will forecast the future human resource requirements of the business. Thereby determining how to use existing human resources to meet requirements. Simultaneously is the systematic planning process to optimize the use of human resources. This process also helps to ensure the match between labour and work, avoiding shortage or excess of manpower. This part also makes an important contribution to build up a business with full human resources with high efficiency and long-term vision to make the business more and more developed. In conclusion, in order to have a prosperous business, it is necessary to have the roles of the human resource management industry such as the manager of the administrative and human resources department, the communication specialist department and last but not least is personnel planning and training department. From the information, we can see that the human resource management industry plays a huge role, contributing to the company's revenue up. Although every department is important in the company, but no department is extremely important, each department will depend on the time and depending on the importance in each moment and the common purpose of these HR management roles is to contribute to the company's revenue growth and stability. (8 marks. Can also bring in example to illustrate how critical HR department is to coordinate with other departments, such as Finance, to ensure that sufficient resources are allocated to enhance employee’s wellbeing and motivation levels.) Student’s name: Duong Hoang Phuc Huy Subject: H2 MOB