The COVID-19 pandemic has revealed the importance of the HRM “Human Resources Management” in organizations and companies especially with the new challenges raised by Coronavirus. Employees need to be supported more than ever especially with the uncertain future and the high possibility of losing jobs or salary deduction. So, employers start depending more on their HR department to obtain the right HR strategy which could face new challenges. Therefore, this article spots light on the different problems caused by the COVID-19 pandemics such as the increasing unemployment rate, the salary deduction, the psychological impact of COVID-19 on employees, managing the remote work, the working hours, tensions between employees, and the social distance. The problem faced by HR professionals is when applying a new HR strategy to adapt to the different challenges caused by coronavirus, the new practices are not fitting to all employees. For example, many families face big difficulties between staying with the kids at home during school shut down because of the pandemic of COVID- 19 and going to their work or managing the remote work while their kids at home. So HR strategy could not be ideal for them. This article shows the importance of HR flexibility in applying HR strategy and practices especially with the different circumstances of each employee may face because of the COVID-19 pandemic.