Hyperechoicity of 3mm in diameter on the wall of the gallbladder indicates that there may be a foreign body or a solid mass, which is considered to be gallbladder stones, and the cause should be clarified by prompt medical consultation. If the examination reveals a 3mm diameter hyperechoic gallbladder wall, this may be caused by gallbladder stones. Ultrasonography of gallbladder stones may show a hypoechoic mass with a posterior acoustic shadow, which can move with the patient’s position change. Patients with gallbladder stones may have no obvious symptoms. Some patients may have fever, nausea, vomiting, chills, abdominal pain, or yellowing of the skin and sclera, clay-colored stools, and weight loss. If the examination finds that there is a high echo of 3mm in diameter on the wall of the gallbladder, you should cooperate with the doctor to improve the examination and actively cooperate with the treatment, and you can’t diagnose yourself based on this result alone.