https://www.selleckchem.com/Wnt.html The proposed solutions included imposing stricter regulations for competing for medical records, such as reduction of payments, development of guiding brochures or protocols for patients on their arrival, assigning a certain number of experienced nurses and surgeons for schedule management, rewarding the report of medical and surgical error cases, and developing a regular monitoring program for the proper implementation of surgical safety guidelines. There are various managerial barriers that hamper QI in hospitals' surgery-related processes. Implementing simple but agreed solutions can lead to saving patients' lives, reduction of the unnecessary use of resources, and enhance of patient and staff satisfaction. There are various managerial barriers that hamper QI in hospitals' surgery-related processes. Implementing simple but agreed solutions can lead to saving patients' lives, reduction of the unnecessary use of resources, and enhance of patient and staff satisfaction.Schools are considered as a first community, which plays an essential role in developing the child's life skills; thus, it is important to provide safety and health in these places. Accordingly, health, safety, and environmental (HSE) issues in schools are among the important issues that should be considered. Therefore, the purpose of this study was to review the studies conducted on the HSE status of Iranian schools. A systematic search of databases, including Google Scholar, SID, PubMed, IRANDOC, MEDLIB, and Science Direct, was performed using keywords by March 2020. The reference lists of key studies were also scanned to find additional articles that are suitable to include in this study. Twenty-five studies met the inclusion criteria. The results of the studies showed that the surveyed schools had favorable status in terms of HSE indicators, and only 12% of the studies reported poor status. About 88% of schools had favorable or average condition. Some cases, su