The invention relates to the field of remote controller products, in particular to a multifunctional remote controller and a control system applying the same. The multifunctional remote controller comprises an input module, a wireless transceiver module, a storage module, a display module, an audio playback module, a main control module and a power supply, wherein the wireless transceiver module comprises an infrared signal transceiver unit and a wireless network transceiver unit; and the main control module is used for controlling all sub modules and comprises a signal processing unit, an interface unit, an audio and video encoding and decoding unit, a display driving unit and an operation processing unit. In the technical scheme of the invention, the conventional wireless networks, such as controlled equipment of infrared, radio frequency electric wave, wireless fidelity (Wi-Fi) and ZigBee, can be controlled simultaneously, so that a user can control all electronic equipment in a house only by using one remote controller; furthermore, the multifunctional remote controller can realize audio and video communication in the wireless network and is quite convenient to operate.