Abstract: A balloon lamp includes a main body and a balloon cover, and the main body includes a lamp housing and a lamp body. The lamp body is fixed to the bottom of the lamp housing; the lamp housing has a fan device; the balloon cover is detachably installed to the lamp housing for storing the lamp body; an inlet is formed at the middle of the top wall of the lamp housing and communicated with a containing cavity of the lamp housing, and aligned with the filter device; the lamp body includes a circular radiator and a power supply device installed in the radiator. The top wall of the lamp housing has a filter device aligned with the air inlet and can prevent dust or powder from entering into the lamp housing; and the circular radiator and the power supply device drive the fan device to blow air continuously.