Itchy body may be a liver disease, but there are also other conditions that cause itchy body, such as allergic skin disease and dry skin syndrome. 1. Liver diseases: such as hepatocellular jaundice and obstructive jaundice. Liver diseases can cause the bilirubin level in the blood to rise, and bilirubin is converted into bile salts, which are deposited under the skin and stimulate the nerves under the skin, further causing the itchy body. To determine the cause, liver function tests should be performed to observe whether there is a rise in bilirubin levels. 2. Allergic skin disease, dry skin syndrome: If there is no increase in bilirubin level, there may be other reasons for itchy body, such as allergic skin disease, dry skin syndrome. Allergic skin disease is an abnormal immune response to various exogenous allergens, which can cause itchy body. Desiccation of the skin, on the other hand, is a condition in which the skin is too dry, leading to itchy skin and itchy body. In addition to the above reasons, there are other reasons for itchy body, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor to improve the examination, to clarify the cause of the disease, and then carry out the appropriate treatment.