Outdoor lamp

The utility model relates to an outdoor lamp which comprises a main body provided with an expansion interface and a battery pack mounting part, a main lamp connected with the main body, and at least one piece of expansion equipment selectively connected with or separated from the expansion interface in a matched mode. The first switch is arranged on the main body; the battery pack installation part is detachably connected with the battery pack in a matched mode, the battery pack provides a lighting power source for the main lamp, when the expansion equipment is connected to the expansion interface in a matched mode, the first switch operably controls the expansion equipment, and the expansion equipment is a surface lamp or a flashlight or the like. The main lamp and the at least one piece of expansion equipment can be assembled into a whole and are convenient to carry, transport and store, and when the main lamp and the at least one piece of expansion equipment are assembled together, the first switch can con