According to the nutritional perspective of Chinese medicine, 9-month-old babies will easily catch fire if they eat hot foods such as mango, durian and foods that are too oily. Hot food and greasy food easy to cause fire, fruits in the longan, lychee, mango, as well as excessive intake of beef and lamb, can also cause the baby on fire, may lead to the emergence of swollen and painful gums, indigestion. Therefore, when babies have mouth sores, dry mouth, yellow urine, dry stools and other symptoms of fire, it is recommended to drink more water and supplement green vegetables and fruits, can effectively prevent fire and relieve mouth sores. Combined with pediatric seven-star tea and other drugs to clear heat and reduce fire to give regulation. Ensure that babies get enough sleep and rest, avoid staying up late, and allow babies to move around more and sweat to relieve symptoms of fire.