In this upcoming world, Li-Fi is playing a great role in the communication field. Li-Fi stands for Light Fidelity. In Li-Fi, the data can be transmitted through LED light. Li-Fi might be used in approximately each site where system prohibits the uses of Wi-Fi. The downside of Li-Fi is that light-weight cannot tolerate the objects, consequently if the receiver is unknowingly blocked in any manner. To overcome this the authors are using many existing techniques. Visible light will also be used, in which Li-Fi provides wireless covered and enclosed contact. This is the best technique.