Thoracic trauma frequently associated with morbidity and mortality. Rib fractures considered most common aetiology. The aim of the study is to determine the effectiveness of nerve block in rib fractures patients. Methods: During the period January 2017- January 2026 a retrospective study took place. Two hundred seventyeight (278) patients diagnosed already with rib fractures underwent nerve bock by thoracic surgery department(as outpatients at the emergency department and as patients already admitted) atGeneral Hospital of Nicaea-Piraeus, Greece. Results: All 278 patients who underwent nerve block and 149 of them received nerve block and Diclofenac (Voltarol) injectionsimultaneously. After a week of post nerve block along with regularly analgesic-NSAID medication, the recordedpain has been reduced to minimum.To mention that 89 patients refused suggested admission in the thoracic department post nerve block.No atelectasis or post traumatic pleural effusion was found on the chest radiography to the follow up patients post 7 to 14 days post nerve block. Conclusion: Nerve block seems that is very helpful to reduce pain. Providessatisfactory pain relief and low cost. It can combine with analgesic and antinflamatory medication.Reduces patients hospital stay and even suggested admission Toxicity at xylocaine noticed only aprox 1% in study population.