Absorbable hemostatic sponges, used for hemostasis during surgical procedures, can be used for hemostasis of bleeding from capillaries, veins and small arteries when bleeding is not stopped by pressure, ligature or other traditional hemostatic methods. Absorbable hemostatic sponge is a high expansion sponge, synthesized by polymer materials, polyvinyl alcohol and aldehyde reaction synthesized ethylene glycol, the finished product is dry and small, containing compressed cavities, according to the size of the patient’s surgical cavity can be trimmed to the appropriate size, inserted into the appropriate parts, inserted quickly adsorbed surgical serum to expand around the surgical cavity to fill the cavities, hemostasis is adequate.