Objective. Experimental confirmation of the antimicrobial and wound-healing activity of a new drug (powder). Methods. The study of antimicrobial and reparative activity was studied on five samples of a powder containing dexapanthenol 5 g, glucosamine sulfate 10 g, pectin 15 g, starch from 70 g. (Sample 1) and 50, 40, 30 and 20 g, respectively (samples 2-5) and streptocide 10, 20, 30 and 50 g (samples 2-5). The antimicrobial activity of powder samples was studied in vitro by diffusion into agar, using the “well” method to establish the sensitivity of microorganisms to drugs, with statistical processing of the results obtained. A rat planar wound model was obtained by depilating the skin on the back surface of animals after narcotic treatment with chloral hydrate (350 mg/kg, intraperitoneal). The scalpel was dissected with an area of 1,5×1,5 cm2, after which the skin flap was completely removed. During the study, a change in the linear dimensions of the wound was recorded with an accuracy of 0.01 cm. The dimensions were determined using a caliper on the 4th; 8th; 12th; Day 16 and 20 of the experiment. The dimensions (area) of the wound were expressed in cm2, with statistical processing of the results obtained. Results. All test samples containing streptocide showed high antibacterial activity of varying degrees of intensity. Samples - the leaders of the microbiological study were samples No. 3 and No. 4 with streptocide content of 20%, 30%, respectively. An increase in streptocide content up to 50% in the sample does not lead to statistically significant changes. The use of the analyzed compositions 1-5 contributes to an increase in the rate of skin regeneration and accelerated healing of the planar wound in rats of varying severity. At the same time, the test samples demonstrate a comparable level of efficacy with the reference preparation - Baneocin powder during the observation period from the 8th to the 16th days and exceed it on the 20th day of the experiment. It was noted that there were no significant differences between the analyzed formulations 1-5. Conclusions. It has been proven that the new formulation in the form of a powder is not inferior to the product Baneocin, convenient in dosing and application to the wound, effective in use. The efficacy of sample 1is comparable to samples containing streptocide. However, to prevent complications of wounds due to possible infection, a sample containing (g) streptocide, dexapanthenol, glucosamine, pectin, starch (10:5:10:15:60) was chosen as the subject of the study. The established wound healing effect and antimicrobial activity of the powder can serve as the basis for scientific research on the development of a new reparative drug.