The liver can play the role of material metabolism, secretion and excretion of bile, detoxification and so on. 1. Material metabolism: the liver can participate in the synthesis and storage of many vitamins, such as vitamin K, C, D, etc.; the liver can also participate in the inactivation of hormones, regulation of acid-base balance and mineral metabolism. 2. Secretion and excretion of bile: the liver can secrete bile, which is then transported to the gallbladder. 3. Detoxification: toxic substances produced by metabolism or foreign substances have to be detoxified in the liver, turning them into non-toxic or highly soluble substances and discharged from the body. The liver is an important organ in the human body. If there are symptoms of impaired liver function such as jaundice, pain in the liver area, liver palms and spider moles, it is recommended to go to the hospital.