Objective: 1. To study the clinical and subclinical characteristics of splenic injury caused by blunt abdominal trauma. 2. To conclude the appropriate indications based on evaluating treatment outcomes. Subjects and Methods: Retrospective study on 53 patients with splenic injury at the Department of Surgery, Bach Mai Hospital from 2009 to 2012. Results: 1. Patients characteristic: - Gender and age: Males were more common than females (male:female was 3:1). Most common age was 20-40 (84.6 percent), average age: 29.2 + or - 18.3 years old. Trauma caused by: traffic accidents (66.2 percent), labor (15.2 percent), activities (18 percent). Major clinical symptoms were: abdominal pain (100 percent), abdominal distension (77.3 percent), induced peritonitis (64.2 percent), abdominal cramping (58.2 percent). 2. Evaluated treatment outcomes: - Treatment options included conservative treatment (20.75 percent), splenectomy (45.28 percent), splenorrhaphy (18,9 percent) and electrocautery (9.4 percent). - Postoperative results: better (86.8 percent), stable (8.2 percent) and worse (5 percent). Conclusion: Splenic injury is one of the common emergency abdominal trauma in the current period. Hemodynamic and abdominal condition are two key factors for the treatment decision of splenic injury caused by trauma.