The present invention provides an illumination lamp with firefly breeding function, which comprises a chamber and a feed storage container. The chamber is provided with at least an air hole, a transparent surface and a breeding matrix capable of absorbing liquid or powder. The feed storage container may be placed with the nutrients and water required for the living of fireflies, and is configured with a channel communicating with the breeding matrix. Thus, the fireflies may be bred with the illumination lamp to extend their lives and to be convenient for people to observe the fireflies and watch the light emitted by them.一種具螢火蟲飼育功能之發光燈具,其包含有一容室與一飼料儲存容器,該容室具有至少一氣孔、一透光面與能夠吸收流體或粉體的一飼育基底;該飼料儲存容器能夠置入螢火蟲生活所需的營養與水分,且該飼料儲存容器設有一通道連通該飼育基底。藉此,螢火蟲能夠飼育在該發光燈具之中,使螢火蟲的壽命能夠延長,方便大眾觀察螢火蟲並欣賞螢火蟲所發出的螢光。10‧‧‧發光燈具20‧‧‧容室21‧‧‧氣孔22‧‧‧透光面221‧‧‧螢光粉層23‧‧‧飼育基底24‧‧‧反射層25‧‧‧輔助光源30‧‧‧飼料儲存容器31‧‧‧通道32‧‧‧握持部