When surgical hand scrubing is not done properly, it can negatively affect patient outcomes. In addition to the entire surgical team being able to perform surgical hand scrubing properly, every student studying in the health field who will work in operating rooms should also learn and practice surgical hand washing correctly. In this context, this study aims to evaluate the satisfaction and success of different time reminder systems on students' surgical hand scrubing skills.

This randomized controlled study will carry out Sixty-six (music group= 22, alarm group= 22, control group= 22) first year undergraduate operating room services program students. This program places at a Vocational School of Health Services, Operating Room Services Programme in Ankara Turkey.

Inclusion Criteria:

• to be a first-year students of the operating room services program
• to be volunteered

Exclusion Criteria:

• previous experience working in the operating room

While operating room services program students scrubing hands in School skill laboratory during hand scrubing music group, listen to music at the end of the scrubing alarm group, listen alarm sound and the control group follows scrubing time on a washing cabin clock