This tutorial is designed to help students and specialists understand the features of sol-gel synthesis and master the main technological techniques. It corresponds to the third generation GEF HPE and can be recommended for the training of bachelors and masters in the areas of "Electronics and nanoelectronics" and "Nanotechnology and microsystem technology." The manual can be useful for graduate students of materials science specialties and specialists in the field of liquid-phase synthesis of materials, and can also be used in advanced training courses for specialists working in the field of technology and diagnostics of micro- and nanomaterials.