The utility model discloses a gas discharge color ball lamp, composed of inner and outer glass shells, inert gas sealed in the inner and the outer glass shells, a driving power supply arranged in a lamp holder, and powdery conducting materials arranged inside the inner glass shell. The gas discharge color ball lamp is characterized in that the powdery conducting materials make the gas discharge color ball lamp work stabler and more reliable. Meantime, the wall of the inner glass shell can be coated with words or patterns by insulated materials a conducting materials, and the words or patterns can be displayed brightly or somberly on the outer wall of the inner glass shell to form various decorative effects when the utility model is switched on. The driving power supply composed of an integrated block and a semiconductor device is used, so that the utility model can adapt to driving power supplies whose industrial frequency are 220 v and 110 v in alternating current.