Disclosed is an absorbable occluder (100) comprising a web (110), and the web (110) comprises at least two polymeric filaments having different degradation periods of concentration, or comprises a polymeric filament prepared by blending at least two polymers having different degradation periods of concentration. The absorbable occluder (100) can avoid a serious tissue inflammation reaction caused by a concentrated degradation of the polymeric filaments forming the web (110) during the same time period.
