Abstract: An antenna assembled by actions of vacuum and static electric attraction, which includes a sleeve and an inner connecting rod able to be inserted in and connected to the sleeve and installed therein a helix coil and a metallic connecting seat, the sleeve and the connecting rod are made of flexible material of different friction coefficients; the sleeve has an upper closed end and a bottom opening, an inner bore with plural sections with their diameters gradually enlarged from the inside to the outside are provided therein, at least two inner annular recesses are longitudinally distributed along the antenna to prevent air from communication with the outside and to generate attraction; the connecting rod has plural rod sections corresponding by position to the plural sections of the inner bore, and plural annular protrusions of identical cross-sectional shapes respectively to those of the annular recesses are provided on the inner connecting rod which is inserted through the bottom of and fits the sleeve tight.