The seven non-principles 1. do not wear tight clothes and pay attention to the order of putting on and taking off. 2. Do not sleep with the fistula limb on your side or place the fistula limb behind your head. Do not wear watches and tight accessories. 4. Do not lift heavy objects. Do not lift up for long periods of time. 6. Do not take blood pressure, draw blood, inject, transfuse, or give fluids in the fistula limb. 7. Do not do “delicate work”, such as watch threats, knitting sweaters, etc. The patient regularly self-examines the patency of the fistula. The ability to feel the tremor of the fistula and hear a vascular murmur indicates patency. Report to the doctor as soon as the fistula murmur disappears or the tremor disappears. 1. Keep the skin of the fistula arm clean. 2. Avoid contact with water at the puncture site on the day of the end of dialysis and cover it with a sterile dressing for more than 4 hours. 3.Appropriately move the arm on the side of the fistula and hold a rubber band in your hand for exercise. 4, with pseudoaneurysms should be protected with elastic bandages to avoid continued expansion and accidental rupture.