胆囊疾病时，准确判定其大小及形态是很重要的。而胆囊的大小受很多因素影响．其中最重要的是饮食，尤以脂肪含量高的饮食，胆囊收缩更明显，影响诊断结果的判定，因此病人在检查前不能进食。经多年超声探查胆囊及临床观察，吸烟也可引起胆囊收缩，影响测量结果，现把实验观察 Gallbladder disease, accurately determine the size and shape is very important. The size of the gallbladder is affected by many factors. One of the most important is the diet, especially in high fat diet, gallbladder contraction is more obvious, affecting the diagnosis of the judgment, so the patient can not eat before the test. After years of ultrasound exploration of the gallbladder and clinical observation, smoking can also cause gallbladder contraction, affecting the measurement results, the experimental observation