Sternal fractures are not frequent. There are not many case reports and nowadays, there is not an agreement regarding their treatment. The aim of this report is to present a case in order to contribute clarifying the existing therapeutic proposals. A case of a 45 years-old male patient, who consults because of pain in the anterior region of the chest after a traffic accident is analyzed. The images studies reveal an sternal fracture on the upper third. A surgical approach is proposed but, as the patient refuses it, an ambulatory treatment is made with a satisfactory evolution. Although a surgical treatment was not done, the non surgical management achieved satisfactory results