In the world, it is estimated that the appearance of chronic wounds has increased and it is known that the bark of the green banana induces cellular proliferation, enhancing the healing of the skin. Objective: To evaluate the curative action of banana peel (Musa sapientum) at a concentration of 10% in the surgical wound of rats. Methods: Sixty adult male rats (Rattus norvegicus, variant albinus, wistar) were used. The animals were divided in two experimental groups: control group, using gel without active principle; Experiment group using natrosol gel with 10% green banana peel. Dressings were performed every three days, from the first postoperative day to the date of euthanasia. Results: In the present study we obtained results from the analysis of histological sections observed by light microscopy and noticed that there is vascular proliferation, mainly after twenty - one days of treatment with banana extract. In addition, there was an increase in the number of collagen fibers in relation to the control group. Conclusion: It is known that the number of people with chronic lower limb wound related to various diseases has increased and it is essential to seek new therapeutic alternatives to solve this problem. The use of banana extract in wounds, can help problematic.