Lamp

The invention relates to the technical field of lighting equipment, in particular to a lamp which comprises a lighting mechanism, a back plate and a hanging rack, the lighting mechanism comprises an auxiliary light assembly, the auxiliary light assembly comprises an auxiliary light source plate and a light guide part, the light guide part is provided with a third end and a fourth end which are oppositely distributed, and the auxiliary light source plate and the third end are oppositely distributed; a light emitting surface is arranged between the third end and the fourth end and is used for guiding out light emitted by the auxiliary light source plate; the back plate is connected with the auxiliary light assembly; the hanging frame is used for being assembled on an installation position, and the back plate is detachably matched with the hanging frame in a sliding mode. According to the lamp, the installation operation of installing the lamp on installation positions such as a wall and a wall top can be simpli