Equilibrium and nonequilibrium properties of polymers are discussed in the tutorial. The material of the textbook is used in the study of the course "Physical Kinetics," taught at the Physics Department of Novosibirsk State University for undergraduates. Designed for independent work of students of physical, chemical and other specialties related to polymer systems. It can also be useful for teachers when preparing tasks to control students' knowledge during the semester and in exams.