Present disclosure relates to a system for providing a simulated environment and a method thereof. The system comprises a first wearable device and a computing unit. The first wearable device is configured to output a first scenario of the simulated environment, wherein a virtual object is being displayed in the first scenario. The first wearable device is further configured to track a first direction of a first object and provide a first indicator in the first scenario according to the first direction. The computing unit is configured to determine which portion of the virtual object is pointed by the first indicator, to store first information corresponding to the portion of the virtual object being pointed, and to perform an operation according to the first information.