according to the invention, the long-term stability of mars and the preservation of property is excellent, and the utility is not strong, and the production of reasonable high poly sulfone in the processing block, and the preservation of property and long-term stability of chinas outstanding in the process of invasion and the amount of toxin. the risk of the river, but also to the practical, reasonable, and the production of high poly sulfone in a blood treatment and its manufacturing method is provided.poly sulfone in resin, hydrophilic polymer and oil soluble property in the blood just as we do, just be 1 g oil soluble property topic 76 mg or 30 mg content, just on the surface, there is oil soluble property of the block 1 of 4 mg or 25 mg per g is characteristic of the poly sulfone in a blood treatment, and 1 grams, the oil soluble property topic 76 mg or 30 mg content, oil soluble property of the TOF - SIMS specification peak intensity when the 1.8 x 10 - 4 from above by the appearance of the 2.4 x 10 - 4 \uac83\uc744 disorders. the poly sulfone in the blood. treatment of the film, and the resin and the hydrophilic polymer and the sulfone in the oil soluble property in the complete process of the manufacturing method of the blood as per 1 g oil soluble property topic 76 mg or 30 mg containing just to get the body, just as intermediate construction of 100 degree. or 180 degrees, 0.1 minutes or 360 minutes of heating process is to do the processing, the manufacture of the sulfone in the method.본 발명은, 항산화성과 장기간의 보존 안정성이 우수하고, 또한 실용 강도를 가지며, 게다가 생산 합리성이 높은 폴리술폰계 혈액 처리막, 또한 항산화성과 장기간의 보존 안정성이 우수한 동시에 처리액에의 엔도톡신 침입의 위험성이 적고, 또한 실용 강도를 가지며, 게다가 생산 합리성이 높은 폴리술폰계 혈액 처리막, 및 그 제조 방법을 제공한다.폴리술폰계 수지, 친수성 고분자 및 지용성 항산화제로 이루어지는 혈액 처리막으로서, 이 막은 1 g당 지용성 항산화제를 30 mg~76 mg 함유하고, 막 표면에 존재하는 지용성 항산화제의 총합이 막 1 g당 4 mg~25 mg인 것을 특징으로 하는 폴리술폰계 혈액 처리막, 또한, 1 g당 지용성 항산화제를 30 mg~76 mg 함유하고, 지용성 항산화제의 TOF-SIMS 규격화 피크 강도가 막 내표면에서 1.8×10-4 이상, 막 외표면에서 2.4×10-4 이상인 것을 특징으로 하는 폴리술폰계 혈액 처리막, 및,