The present invention relates to a light, in particular, to a light having afly killingfunction that can be used for lighting and killing flies comprising at leastone LED chip, a flystorage means, a negative pressure fan, a fan hanger, a ventilation net, apower supply； whereinthe fly storage means is connected to the fan hanger, the LED chip is securedto an lower end ofthe fly storage means, the fly storage means comprises an air inlet and a flystorage groove, thenegative pressure fan is mounted onto the fan hanger above the fly storagemeans, a gap isprovided between the blades of the negative pressure fan and an upper end ofthe fly storagemeans to allow flies to go through； the ventilation net comprises a pluralityof ventilation holeshaving a size that is able to stop flies from passing therethrough, and theventilation net isprovided circumferentially between the outside wall of the fan hanger and theoutside wall of thefly storage means, and the fan hanger, the ventilation net and the fly storagemeans form asubstantially closed space except the ventilation holes and the air inlet.
