Abdominal ultrasound is a collective term for the examination of various organs in the abdomen, including the liver, gallbladder, spleen, pancreas, kidneys, stomach, intestines, abdominal blood vessels, abnormal abdominal masses, prostate in men, uterine adnexa in women, etc. Local needs to be combined with the actual situation of the patient and the purpose of the examination to select the parts of the abdominal ultrasound examination. 1. If it is a routine examination for physical examination or hospital admission, the parts often selected for abdominal ultrasound examination are the liver, gallbladder, spleen, pancreas, both kidneys, etc. 2, 2. If the patient has right-sided abdominal pain and appendicitis is highly suspected, abdominal ultrasound examines the appendix and intestines. 3. If the patient has venous thrombosis of the lower extremities or other parts of the abdomen and abdominal pain, abdominal ultrasound exam focuses on the vascular examination of the abdomen, such as the inferior vena cava, abdominal aorta, mesenteric artery, mesenteric vein, etc. 4. Ultrasound examination of the abdomen is focused on the abdominal mass. 5. In addition, ultrasound examination of the abdomen can be selected according to the cause of the patient and the location of the pain, such as kidney, ureter and bladder examination for patients with kidney stones; uterine adnexal examination for female patients; prostate examination for male patients with abnormal urination, etc.