An LED tube lamp includes a lamp tube, a heat shrink sleeve covering on an outer surface of the lamp tube, an LED light strip fixed by an adhesive sheet to an inner circumferential surface of the lamp tube, a plurality of LED light sources on the LED light strip, two end caps respectively coupled to two opposite ends of the lamp tube, and a power supply circuit on the light strip. The LED light strip with the plurality of LED light sources and power supply circuit are in the lamp tube.