The utility model provides a multifunctional lamp, includes the lamp shade, with the heatsink of lamp shade looks lock and the base on being fixed in the heatsink. The base includes the casing, and a battery and a control panel are acceptd in the casing to it keeps away from lamp shade one side to be located the heatsink. The heatsink is equipped with lamp plate, lamp plate and battery, control panel electric connection towards lamp shade one side to produce different light efficiencies, the control panel includes input and the output relative with the input. The base is equipped with input hole and delivery outlet in the position that suits with input and output to charge and use multifunctional lamp through external power supply. Therefore, the utility model provides a multifunctional lamp simple structure, portable environmental protection, and the mode that its produced different light efficiencies can be realized in the difference switches over within a definite time to satisfy the user demand under the different environment, utilize external power supply to charge to multifunctional lamp simultaneously, further improved the practicality with portable.