Liver and gallbladder dampness-heat (dampness-heat evils accumulated in the liver and gallbladder) is a kind of internalization of dampness-heat, liver and gallbladder excretion malfunction, with bitter mouth, coercive and rib distension and pain, loss of appetite, nausea and vomiting, yellow urine and other common symptoms of the syndrome. Liver and gallbladder damp-heat is a Chinese medicine syndrome, which is mainly related to external damp-heat and dietary irregularities, and the main pathogenesis is that damp-heat is embedded in the liver and gallbladder, resulting in abnormal drainage and excretion of the liver and gallbladder, which is often coexisting with spleen and stomach damp-heat (the spleen and stomach feel damp-heat evils). Damp-heat of liver and gallbladder is mainly manifested as bitter taste in the mouth, burning and distending pain in the abdomen and ribs, abdominal distension, loss of appetite, nausea and vomiting, anorexia of greasy food, yellow urine or even yellow eyes and body. Damp-heat underflow (dampness and heat invading the intestines, bladder, pubic area, lower limbs, etc.) may also be present, such as scrotal dampness, testicular swelling and pain in males, and yellowish odor in females. Liver and gallbladder dampness and heat treatment to promote dampness and clear heat, clearing the liver and gallbladder as the main principle, the specific use of drugs should also be in the physician under the guidance of the diagnosis.