The utility model discloses a lighter with a lamp. A lamp of a prior lighter with a lamp is generally arranged on the bottom portion of the lighter, and is easy to be artificially destroyed, a switch of the lamp is arranged on the side wall of the shell, the contact area of the switch of the lamp and fingers is small; thereby the use is not convenient. The utility model is characterized in that the bottom portion of a shell is connected with a bottom casing through a transparent bottom cover, the bottom cover is fixedly connected with the shell, the bottom casing is moveably connected with the bottom cover, a groove is formed on the bottom cover, a lamp is arranged in the groove, and the lower portion of the lamp is equipped with a button battery. The cathode of the button battery is connected with the cathode of the lamp, the anode of the button battery is connected with a conductive reed, and a switch contact portion which is capable of changing the contact state of the conductive reed and the anode of the lamp is arranged on the side wall of the bottom casing. In a normal state, the conductive reed and the anode of the lamp are separated. The lamp of the utility model is arranged in the groove of the bottom cover, thereby avoiding the lamp being artificial destroy and being capable of achieving light or put off the light through rotating the bottom casing, and the use is convenient.