1, the third day after the fistula can begin to shake fist activities to promote the maturation of the fistula, 10-14 days after the removal of stitches can do weight-bearing fist activities, the fistula is best used after 8 weeks, the longer the maturity of the use of the longer life; 2, the first application of the fistula, to find experienced nurses to puncture, choose a thinner puncture needle, the beginning of the blood flow do not play too high, use a period of time and then switch to a large needle puncture The first time you apply an endovascular fistula, you should find an experienced nurse to perform the puncture, choose a finer puncture needle, do not play too high blood flow at the beginning, use a period of time and then switch to a large needle puncture to improve blood flow; 3, the endovascular side of the clothing to be loose, the endovascular side of not energy blood pressure, to avoid extrusion; 4, dialysis after pulling the needle lumbar compression 20-30min, the strength should be appropriate, to be able to feel the tremor is appropriate, not recommended to use a tourniquet binding; 5, to get into the habit of daily check endovascular to, generally endovascular blockage time more in the evening and night, so check the endovascular situation before going to bed, the night if you wake up, also 6, blockage of internal fistula mostly occurs after too much dehydration appears hypotension, especially in winter, so avoid too much dehydration at once, in addition, after the occurrence of hypotension, pay attention to strengthen the hot compress internal fistula, if the sound is weakened, to strengthen the fist clenching activities, take blood circulation drugs; 7, the appearance of internal fistula murmur disappears, to contact the dialysis room doctor, timely treatment, you can avoid secondary surgery.