The invention discloses a desk lamp provided with a timed reminding device. The desk lamp comprises a desk lamp base, a lamp cap, a lampshade, a supporting frame and a timer. The supporting frame is of a tubular structure, the lower end of the supporting frame is fixed to the desk lamp base, and the upper end of the supporting frame is connected with and fixed to a lamp cap fixing base of the lamp cap. The lamp cap fixing base is sleeved with the lampshade. A circuit integration control system is arranged in the desk lamp base. An electric wire penetrates through a hollow tubular cavity in the supporting frame to be connected with the circuit integration control system and a lamp plate on the lamp cap. The timer is fixed into the desk lamp base and connected with a voice player. A voice reminding program used for performing reminding according to a plurality of time sections in sequence is arranged in the voice player. The voice player is fixed to the desk lamp base. The desk lamp provided with the timed reminding device is simple in overall structure, convenient to manufacture and mount and low in manufacturing cost, a voice reminding function can be effectively achieved, accordingly a user can be timely reminded to protect the eyes, and the practicability is high.