The article describes general principles of conversion surgery as one of approaches to the management of metastatic gastric cancer and reviews the relevant body of experience accumulated to date in the world literature. Also indications and contraindications, and preconditions for application of conversion surgery are discussed. The article contains an analysis of key scientific publications devoted to the treatment of gastric cancer with an olygometastatic disease of the liver. The advisability and necessity of surgical management of this cohort of patients by condition the adherence to the principles of conversion surgery are underscored.