Treatment of acute pancreatitis and infectious complications is a complex multidisciplinary task. The use of traditional surgical procedures for the rehabilitation of foci of pancreatogenic infection often aggravates the course of the disease, leads to the development of postoperative complications, does not improve the results of treatment. On the contrary, the use of minimally invasive techniques avoids additional surgical injury. The case of stage treatment of acute pancreatitis and its purulent-septic complications with the use of minimally invasive technologies is presented to the readers.