An electric censer includes a censer body, a receiving unit and an incense branch. The censer body is a hollow container with an opening defined at a top thereof. The receiving unit is received in the censer body and includes a hollow tube communicating with the opening of the censer body. The incense branch includes a light guiding bar and a light emitting unit positioned on a bottom end the light guiding bar. A top end of the light guiding bar extends outwardly from the opening of the censer body and act as a light outputting side of the incense branch. The position of the light emitting unit is adjustable by pressing or pulling the light guiding bar.