The invention discloses a light emitting angle-adjustable bulb lamp, comprising a lamp cap and a lamp holder, wherein a centre shaft downwards extends out of the lamp holder, the lower end of the centre shaft is connected with a base structure with an illuminating effect, the bulb lamp further comprises a lamp body structure sleeving the centre shaft in a cylinder shape, the lamp body structure isdefined by a plurality of lamp bodies and set as a high-power illuminant, each lamp body comprises a heat dissipation plate connected to the base structure through a rotating shaft mechanism so as toswing to adjust the light emitting angle, a first LED light source structure and a light transmission cover covering the first LED light source structure, each rotating shaft mechanism comprises shaft seats which are assembled into a shaft lever, and a swing seat, each heat dissipation plate is fixed on the corresponding swing seat, each swing seat is internally provided with a rotating ring sleeving the corresponding shaft lever, first saw teeth of each rotating ring and second saw teeth on the corresponding shaft seat are mutually engaged so as to have a positioning effect on the rotation of the corresponding swing seat, and when an external force is applied on the swing seats, the first saw teeth rotate relative to the second saw teeth so as to swing and adjust the light emitting angleof the lamp bodies, so that the adjusting flexibility is high, and the bulb lamp is economic, practical and convenient.