1.使用前检查气袋、显示表是否完好。
1. Check airbags and display tables before use.
2.使用部位要正确，上止血带前在皮肤表面垫一个薄棉垫，宽度超过止血带的两侧各1～2厘米，止血带扎好后外层用绷带固定。
2. Use the right place. Pad a thin cotton pad on the skin surface before the upper tourniquet. The width of the pad exceeds 1-2 cm on both sides of the tourniquet. The outer layer of the tourniquet is fixed with a bandage.
3.压力范围：一般上肢200mmHg，下肢为400mmHg.
3. Pressure range: 200 mmHg for upper limbs and 400 mmHg for lower limbs.
4.充气后记录时间，时限为1小时，间歇5～10分钟后可重复使用，每15～30分钟应检查压力指数并及时提醒术者。
4. The recording time after inflation is 1 hour, and can be reused after 5-10 minutes interval. The pressure index should be checked every 15-30 minutes and the operator should be reminded in time.
5.应选择大小适当的气压止血带。
5. The appropriate size of pneumatic tourniquet should be selected.
6.勿让碘酒、酒精等消毒液积聚在止血带下方，以免引起皮肤刺激症状或灼伤。
6. Do not let iodine liquor, alcohol and other disinfectants accumulate under tourniquet to avoid skin irritation symptoms or burns.
7.下肢动脉硬化、血栓性脉管炎、化脓性感染、坏死等患者手术时不宜使用止血带。
7. The tourniquet should not be used in patients with lower extremity arteriosclerosis, thromboangiitis, pyogenic infection, necrosis and so on.