Sudden pain and discomfort in the abdomen after trauma may be caused by broken organs, skin and soft tissue injuries, gastrointestinal dysfunction and other reasons. 1. Organ damage: if the patient suffers from more serious trauma, injury to the organs, resulting in organ damage, there will be pain and discomfort symptoms, should promptly consult a doctor, the corresponding injury site of the ultrasound or abdominal CT examination, except for intra-abdominal organ damage, such as post-traumatic rupture of the liver, spleen, or gastrointestinal rupture and so on. 2. Skin and soft tissue injury: if the patient suffers from trauma in the abdomen, if it causes skin and soft tissue injury, it will produce painful and uncomfortable symptoms. 3. Gastrointestinal dysfunction: If the abdomen is traumatized, it may lead to gastrointestinal dysfunction, which may cause abdominal pain and discomfort. When the patient after trauma abdominal pain discomfort phenomenon, it is recommended that timely medical treatment, diagnosed by a professional doctor, and give reasonable treatment.