Table lamp capable of adjusting light-emitting angle

The invention relates to a table lamp capable of adjusting the light-emitting angle. The table lamp comprises a base, a lamp pole and a lamp holder. The lamp holder comprises a shell, an external member and an optical module, the optical module comprises an annular lamp strip, a light guide plate, a prismatic lens, a reflective film and a diffusion film, and the external member is sleeved with the annular lamp strip; in the axial direction of the external member, the light guide plate is flush with the annular lamp strip, the reflective film is located on one side of the light guide plate, the diffusion film is located on the other side of the light guide plate, and the prismatic lens is located between the light guide plate and the diffusion film so that light of the annular lamp strip can be diffused outwards at the diffusion film after being refracted through the prismatic lens. According to the table lamp capable of adjusting the light emitting angle, due to the fact that the light guide plate is flush wi