An LED lamp comprising a lamp shade, a lamp cap, a glass core column, and an LED lamp filament, with the glass core column comprising a glass flare tube, a first conducting wire, a second conducting wire and an exhaust tube, the glass flare tube and the exhaust tube being sintered into a core column body, the first conducting wire and the second conducting wire being fixed on both sides of the core column body through welding respectively, and lower end portions of the first conducting wire and the second conducting wire being fixed on the lamp cap through welding respectively, both ends of the LED lamp filament being fixed on the first conducting wire and the second conducting wire through welding respectively, and the second conducting wire being provided with one or more LED lamp bulb drive elements with a drive chip and a resistance element.