1. The main complication were hemorrhea (2 cases) and overhydration (1 case).

2. No complications such as overhydration or postoperative infection took place.

3. Local factors in the skin unrelated to allergy such as sweating and overhydration, tend to aggravate eczema .

4. No complications such as obturator nerve reflex, bladder perforation, or overhydration occurred. No blood transfusion was required.

5. Objective:How to reasonably select sodium curve and ultrafiltration curve as to the patients with overhydration in the interhemodialysis.