Sample purification assembly and purification device

The utility model provides a sample purification assembly and a purification device.The purification device comprises the purification assembly and an extrusion mechanism, the purification assembly comprises a body and an adsorption part, the adsorption part is arranged in a cleaning cavity of the body, and the cleaning cavity is used for containing a related solution for sample purification; when the related solution is a sample reagent comprising a sample and is injected into the cleaning cavity, the adsorption piece adsorbs a purification target substance in the sample; when the related solution is a washing solution and is injected into the cleaning cavity to dissolve impurities in the sample, the adsorption piece adsorbs a purification target substance in the sample; when the related solution is an eluent and is injected into the cleaning chamber, the adsorption member releases the purification target substance in the sample due to the action of the eluent. The purification assembly can obtain the purifi