If the tongue is yellow with bad breath, it means that there is dampness and heat in the body, so you need to take dampness and heat-clearing food or medicine to help remove dampness and heat. If you have a yellow tongue and bad breath, you can use a small remedy to relieve it through food therapy. Take 6 grams of each of the 3 herbs of maitake, asparagus and chrysanthemum to make tea and drink it directly, and insist on drinking it to relieve the problem of yellow tongue and bad breath, or use 6 grams of each of patchouli, pelargonium and honeysuckle. Cottonwood 3 grams, decoction for tea, such as constipation can be added fried cassia 10 grams. The food therapy can be honey and banana root, first mash the banana root with gauze to get about 2000ml of juice, add honey together to mix and serve, can effectively relieve the situation of yellow tongue, also can be used fresh bitter gourd, lean meat and salt appropriate amount of soup to drink, long-term consumption can help solve the situation of internal heat. If the yellow tongue with bad breath lasts for a long time and the food therapy is not effective, you should consult a doctor promptly, there may be pylori infection caused by C13, C14 should be checked to confirm the diagnosis after the symptomatic use of drugs, treatment at the same time the diet is based on light, prohibit spicy stimulating and greasy food, appropriate to take clear heat to remove fire type of tea.