The present invention discloses a charger with lighting function. The charger comprises a dry battery and a plug base; a two-way parallel boost-up circuit and a LED lighting control module are arranged between the dry battery and the plug base; the LED lighting control module comprises a LED light, a boost-up circuit controlling electronic switch, a LED light electronic switch and a LED light control switch. The dry battery, the two-way parallel boost-up circuit and the plug base form a charging loop; and the dry battery, the LED light control switch, the boost-up circuit controlling electronic switch, the two-way parallel boost-up circuit, the LED light and the LED light electronic switch form a lighting loop. The charger has the advantages of relatively simple circuit structure and low costs. Because of the arrangement of the two-way parallel boost-up circuit and the LED lighting control module, the charger can conveniently charge; the LED lighting control module can provide lighting function for the user, thus the charger can be used as a portable electric torch. Therefore, the structure improves the convenience and utilization rate of the charger. Moreover, the charger has theadvantages of wide range of application and easy large-scale promotion.