The present disclosure relates to the technical field of illumination of decorative lamps, and discloses a fireworks lamp. The fireworks lamp includes a shell structure, a lamp body structure and a circuit board. The shell structure includes a connector and a plurality of connection sleeves, the lamp body structure includes a plurality of casings and light-emitting light sources arranged inside the plurality of casings, the connector has at least one circular section, and the plurality of connection sleeves are arranged at a periphery of the circular section at equal intervals, and the plurality of casings, light-emitting light sources and connection sleeves have the same quantity. The present disclosure further discloses a floor decorative lamp.