The textbook deals with the most important hygienic aspects of physical, chemical, biological and social environmental factors. A significant place in the textbook is occupied by issues of private hygiene, directly related to the profile of the pharmacist. The material on the hygiene of pharmacies and pharmaceutical enterprises and the implementation of hygienic education and upbringing is described in detail. The textbook corresponds to the program approved by the Ministry of Health of the Russian Federation in 1996 for students of pharmaceutical institutes and pharmaceutical faculties of medical universities.