1. What is a liver cyst? Commonly known as liver blisters, medically known as liver cysts, is a benign lesion. 2, the cause? Currently there is not a definite method, may be related to the development of many small bile ducts in the liver. Like the polycystic liver seen in the clinic is related to heredity, the patient will grow new cysts in the liver, the organs will also become bigger, the patient can feel the enlarged liver by himself. 3. Treatment? General liver cysts will not have discomfort, generally normal liver function, do not need special treatment, regular ultrasound monitoring can be. However, if the growth is too big, the patient feels uncomfortable and needs treatment. Minimally invasive methods can be used, which do not require incisions. Doctors can be guided by ultrasound, a thin needle into the cyst, with a thin needle to the cyst of the liquid out, injected into the drug, to promote the gradual retraction of the cyst disappeared. 4, pay attention to must consult the doctor: if the cyst is large or more, will appear waist, abdominal discomfort, it is recommended to consult the doctor as soon as possible.