The utility model discloses a portable cylinder cell -phone shielded cell, include the cylindrical box body who makes by electrical conductivity of metallic materials, arranged the cotton material of flexible bubble on cylindrical box body's the inside wall, semi -circular cell -phone slot is equipped with in the cylindrical box body interpolation, cylindrical box body includes barrel and cover, has arranged conducting material in the cover, and when cover and barrel were screwed, the front end of barrel inserted among the conducting material of bung to compression conducting material makes barrel, conducting material, cover form electrically conductive continuous shield. The utility model discloses utilize electrical conductivity of metallic materials to use it on the cell -phone shielded cell at the shielding property that the high band is good, including the shielding between cover and barrel handles, can satisfy the performance requirement of the centralized shielding management of cell -phone effectively, the utility model discloses arrange the semi -circular cell -phone slot of making by the cotton material of bubble in cylindrical box body, make whole cell -phone shielded cell have stronger anti falling and hit the performance.