Abstract: An improved formative flag has a flag embodiment having holes at proper positions for disposing fastening seats thereon so as to secure a plurality of light bulbs thereto. A flag pole is made up of two sections which are coupled by a connecting tube. A battery box is housed in a receiving bag at the one side of the flag embodiment. The battery box having one end connected to the light bulbs for supply of power thereto. The flag embodiment can be decorated with any kinds of artistic drawings so as to make the flag appealing to the eyes of people.