In order to select the sample, after preparing a list of patients with diabetic foot ulcers covered by Bandar Abbas Shahid Mohammadi Hospital, they will be contacted. Then, 80 people who want to participate in the research will be selected using available sampling and will be included in the study based on the criteria for entering the research. And they will be randomly assigned to two groups of olive gel, ozone and control, each of which has 40 participants. In order to randomize the samples, the block randomization method, which is a limited randomization method related to studies with groups with the same sample size, will be used. Also, in this study, according to the sample size, 10 blocks of 8 blocks will be considered. In order to implement this method, the website https://www.sealedenvelpe.com will be used. And on the mentioned site, the titles of the two groups (intervention and control), the number of blocks and the volume of each block will be mentioned, which include 10 blocks of 8. Then, according to the randomization obtained from the site and the last three numbers of the patients' files, randomization will be done. In this way, in front of the obtained randomizations, we will write down the last three numbers of the patients' files in order from the least to the most, and according to that, the patients will be included in each of the control and intervention groups.