1.The patient needs to cooperate with the doctor to expose the abdomen and maintain a flat position first; 2.The examining doctor needs to apply an appropriate amount of coupling agent on the front of the probe before and during the examination; 3.The doctor will place the ultrasound probe on the examination site for examination; 4.The patient needs to cooperate with the doctor and adjust the position to lateral or prone position if necessary in order to clearly display the lesion site; 5.After the examination is completed, the patient is given a tissue to wipe clean and leave the treatment bed after finishing the clothes.