The utility model discloses an LED (Light Emitting Diode) lamp tube provided with a glass round tube lamp cover. The LED lamp tube comprises the glass round tube lamp cover, a radiating substrate arranged in the glass round tube lamp cover, a plurality of LED lamps with high light emitting rate arranged on one lateral surface of the radiating substrate, a driving component formed on the other lateral surface of the radiating substrate, a heat conduction layer arranged in the glass round tube lamp cover and positioned on the LED lamps with high light emitting rate and the radiating substrate, and lamp caps arranged on two ends of the glass round tube lamp cover, wherein the driving component is respectively electrically connected to the LED lamps with high light emitting rate and the lamp caps, and the heat conduction layer is made of a transparent or semitransparent material with high thermal conductivity. The LED lamp tube provided with the glass round tube lamp cover adopts the glass round tube lamp cover, so that the LED lamp tube is difficult to age and long in service life; the heat conduction layer with good heat-conducting property is adopted to dissipate the heat released by the LED lamp, so that the LED lamp tube has the advantages of good heat dissipation performance and high light emitting rate.