The palm of the right hand is lightly pressed against the liver area during the examination and the patient is asked to perform abdominal breathing movements. There is no sensation of friction under the palm when normal. In perihepatitis, the surface of the liver and the adjacent peritoneum may become rough due to fibrinous exudate. The mutual friction between the two can be palpated by hand as a sense of friction in the hepatic region, and as described previously, a hepatic friction sound can also be heard on auscultation. Vascular murmur in the liver area, liver friction sounds, is a sign of cirrhosis. So, what is the early prevention of hepatic friction sounds? The following is a brief explanation. Early prevention of hepatic zone friction sound Alert to the presence of liver cancer, you should go to regular hospital for examination. Pain, skin color, and change in sexual function may be early symptoms of liver disease, and we must pay special attention to them in our life. Doctors remind that some subtle changes in human skin color are also early signs of liver disease and need special attention. Yellowing of the skin and eyes is an acute manifestation of viral hepatitis; dull face is one of the signals of hepatitis, unlike sun-tanned skin, patients with liver disease will have a dull and non-glossy face; severe dark circles under the eyes are also early symptoms of chronic liver disease, most of which are chronic hepatitis B; the color of the palms of patients with liver disease is also very different from that of ordinary people, the palms of ordinary people are red and moist, while patients with liver disease have palms that are A spider mole (a red dot in the middle surrounded by blood) on the skin of the trunk is also a sign.