Diagnostic imaging - Ultrasound: is a simple, money and time savingtestthat can be done in a hospital bed. Most Northern mountainous hospitals have been equipped with color or black and white ultrasound machines, so this is a very important imaging test, consistent with the conditions of the hospitals, which helps to make a preliminary assessment as well as orientations for diagnosis, monitoring and treatment of LT Ultrasound definite abdominal fluid in short time and it is very meaningful in emergency when patients have multiple traumas, unstable hemodynamics, can replace abdominal puncture.