This quasi-experimental study will perform to evaluate the effect of teaching infection control on knowledge and practice of nurses in Tabriz hemodialysis wards. At first hemodialysis centers with 1- 5 years history of dialysis will be chosen, then one of the centers will be considered as a control group and two others as intervention groups. Participants in the study includes all nurses of hemodialysis with informed consent who have inclusion criteria of the study, that will be selected by stratified random sampling. The researcher at first will take pre-test to measure the knowledge and performance of both groups. For intervention group, the researcher in dialysis wards, will teach using a package based on the guidance of the Centers for Disease Control (CDC) in a 30 to 45 minutes teaching program, in two sessions during two weeks in small groups. Training will emphasize on hand hygiene, disinfection of equipment and devices of dialysis, catheter care and how to start and end of hemodialysis in patients with fistula or catheter. After two months, the knowledge and practice of nurses will be evaluated. During this period, the control group, will receive routine training. To evaluate the knowledge, questionnaire will be available for research samples, however, practice will assess by two people using checklist. Then data will be analyzed by descriptive and inferential statistics.