During the three months when the hospital was educated and provided with the necessary tools to improve the hand hygiene practice of healthcare workers in the Dong Da Hospital - Hanoi, the community intervention study showed that: awareness among healthcare workers increased (Preventive value =13.75 percent, p 0.05). The overall rate of practice about hand hygiene in the nursing group was better than in the doctor group. The practice was better in all 8 departments in the hospital after the 3 months, but it varied by department. In the comparison with the pte-caring hand hygiene practice, the post-caring hand hygiene practice of healthcare workers showed significant improvements (p 0.05). The health care workers washed their hand with alcoholbased hand hygiene liquid or alcohol more than another types (preventive value