The present disclosure discloses a bulb lamp, which includes a lamp cap, a lamp holder and a bulb shell. The bulb holder connects the lamp cap and the bulb shell to form a lamp body, and a light source assembly is provided in the lamp body; the bulb lamp further includes a heat radiator, the heat radiator is arranged in the lamp holder, the heat radiator includes a first hollow mechanism, a contact part is provided at one end, away from the lamp cap, of the radiator, and the light source assembly is arranged on the contact part.