Background: A Clavicle fracture is a common traumatic injury as it positions directly under the skin. Both conservative and operative methods are used for the treatment of this fracture. But there is no uniform agreement on the best choice of treatment. So, this study aims to assess the outcome of the conservative treatment and operative treatment by using plate and screw of midshaft fracture of clavicle and comparing the two treatment methods. Patients and methods: This study was done at the Department of Orthopedic Surgery of Zagazig University Hospital from April 2020 to December 2020 on 18 patients are involved then these patients were subdivided into two groups, Group A (9 patients) for conservative treatment and Group B (9 patients) for operative treatment by using a plate and screw fixation. Assessment of the outcome using the constant shoulder score. Results: The time of union was 5.33±0.70 months in the conservative group and 4.66±0.86 months in the operative group. Constant shoulder score was in Conservative group 4 patients had excellent score (44.4%), 2 patients had good score (22.2%), 3 patients had poor score (33.3%) While in Operative group 6 patients had excellent score (66.6%), 1 patient had good score (11.1%), 2 patients had poor score (22.2%). Conclusion: The non-surgical methods still the best treatment of simple nondisplaced mid-shaft clavicular fractures. The operative methods donate a good result in active athlete's patient with displaced or comminuted fracture.