Health risk factors have to be managed indoor and outdoor where people live, work and spend their free time. Among other qualifications sanitary engineer is also qualified for hygienic analysis and solving hygiene problems in different facilities and working processes. Especially in facilities that are important for maintaining health throughout the life cycle of man (Health facilities, kindergartens, schools, food industry, homes for the elderly, laundries, etc.). In this context, we pay the attention to the elements and methods of technical and hygienic management of buildings and processes in different environments and circumstances. We are also dealing with tools and approaches that are required for the analysis and control of hygiene-sensitive working procedures.