A review of the literature is devoted to the urgent issue of modern oncourology — the treatment of prostate cancer using high-intensity focused ultrasound (HIFU). Currently, there is a trend in shifting the approach from total to focal ablation in patients with prostate cancer of low risk in order to reduce the profile of complications. The article presents the results of modern research on HIFU in both total and focal ablation. Data on oncological, functional results of treatment are given.