Yellowish greasy tongue is usually a symptom of dampness-heat. Yellow and greasy tongue coating is a symptom of dampness-heat, which is related to external dampness-heat, internal injuries from diet, and weakness of the spleen and stomach. The common types include liver and gallbladder damp-heat (damp-heat evils accumulated in the liver and gallbladder), spleen and stomach damp-heat (spleen and stomach feeling damp-heat evils), and bladder damp-heat, which need to be combined with the specific symptoms for symptomatic treatment. 1. Liver and gallbladder damp-heat syndrome: generally, there may be bitter mouth, nausea, abdominal pain, anorexia, and in severe cases, jaundice, yellowish and greasy tongue, or dampness in the pubic area, itchiness, and yellowish, thick and foul-smelling leukorrhea. Commonly used proprietary Chinese medicines include gentian liver pill, but pregnant women and patients with cold stomach need to be careful to take. 2. Dampness and heat in the spleen and stomach: mainly due to eating too much greasy and stimulating food, or dampness and heat interfering with the middle jiao. The main manifestations are sticky mouth, thirst but do not want to drink water, abdominal pain and diarrhea, there will be burning sensation in the anus, red tongue with yellow greasy coating and other manifestations. Ganlu Sterilizing Pill, a proprietary Chinese medicine, is effective in clearing heat and removing toxins (removing heat and toxins from the body) and resolving dampness. 3. Damp-heat bladder syndrome: mainly manifested as yellow and greasy tongue, accompanied by turbid urine, difficulty in urination, frequent urination, blood in urine, pain in the waist, abdominal distension, fever and other symptoms. Bazheng San is often used, with the effects of clearing heat and fire (removing heat and fire from the body), diuresis and lymphatic drainage, which has a certain therapeutic effect on relieving the symptoms of yellowish tongue coating and difficulty in urination. Patients with yellow and greasy tongue usually need a professional Chinese medicine practitioner to identify and treat the symptoms according to their clinical manifestations and use the medication under the guidance of the doctor, patients should not use it blindly on their own.