The utility model discloses a retrieve device of tritium in follow tritiated water, the tritiated water storage of include the gas circulation pump, the buffer tank that is equipped with the inertia carrier gas that connect gradually through the pipeline, being equipped with the tritiated water jar, the first moisture of loading the iron powder are separated the bed, are loaded the first adsorption bed of 5A molecular sieve and are loaded the first storage hydrogen bed that zirconium system stored up the hydrogen alloy, first storage hydrogen bed is returned and is linked in the gas circulation pump. The utility model discloses the recovery work of tritium in the tritiated water can be carried out in succession in compact structure, low cost, simple operation to do not produce solid waste, consequently, it has very high practical value and spreading value.