In this article the work of the Omsk State Medical Academy's department of general surgery is presented. The aim of study was tot treat patients with purulent and necrotic wounds of soft tissue by using novel hydrodynamical drainaige. In this research 92 patients were taken part, who were inpatient treatment in the department of purulent surgery City Clinical Hospital № 1 named Kabanov A. N. 2010-2013 with purulent and necrotic wounds of soft tissue. Clinical, laboratory, cytological, bacteriological monitoring were conducted over the of wound process during the treatment. Assessment of the reliability of differences between the mean value of clinical indicators was with the calculation of the criterion t -Student, the method x2 and Criterion Mann -Whitney U. The proposed method of treatment of purulent wound promotes fast the removal of necrotic tissue and pus in the first phase of the wound process that led to more rapid relief of symptoms of intoxication (fever, leukocytosis and common symptoms) at the patients of the basic group. Due to faster removal of necrotic tissue, reduction of common symptoms of intoxication at the patients of the basic group the transition from degenerative and inflammatory type of cystograms to regenerative occurred one or two days before than in the comparison group.