The specific steps of the inguinal ultrasound begin with the supine position and full exposure of the inguinal area, scanning by the examiner’s manipulation of the instrument, and analysis of the ultrasound image. 1. Taking the supine position and fully exposing the groin area: After the patient lies down, he/she takes the supine position and fully exposes the groin area. 2. Scanning by the examiner: The examiner places the instrument in the groin area of the patient and scans the groin area, decides whether the probe needs to be changed according to the situation, and carefully examines the scanned image. 3. Analysis of the ultrasound image: The examiner analyzes the ultrasound image of the groin according to the acquired ultrasound image and the actual condition of the examinee. Ultrasound examination of the groin can check whether the inguinal lymph nodes are enlarged, the state of enlargement, whether there are local blood clots and masses, etc., and can also see whether there are symptoms of local blood vessel stenosis. Ultrasound examination of the groin needs to be performed by a specialized physician.