Desk lamp with timer

The utility model discloses a desk lamp with a timer, which comprises the timer capable of realizing time setting. The timer is located on the outer side of a desk lamp body and is connected with a lamp tube of the desk lamp via a lead, and the timer, the lamp tube of the desk lamp and an external power source form a circuit loop. The desk lamp further comprises a transformer, a charger and a rechargeable battery which are placed in the desk lamp body, the external power source is successively connected with the transformer, the charger and the rechargeable battery via leads, and the external power source, the transformer, the charger and the rechargeable battery form a circuit loop. A switch of the desk lamp with the timer can be switched off at fixed time, thereby preventing wasting electric resources and causing potential safety hazards. The timer also can be utilized as a common clock and is accurate in time as the timer is provided with a standard timing device and is powered by a standby power source, n