Phlegm and fire disturbing the heart is a Chinese medicine term for the symptoms of some diseases, which can also reflect their pathogenesis. Phlegm is easy to obscure the clear orifices and confusion occurs, fire is inflammatory, with phlegm disturbing the heart, while the heart is the master of God, the heart is the master of the blood, the God is disturbed and there is gibberish, confusion, strange behavior, hitting and cursing people without avoiding relatives, singing on the heights, abandoning the clothes and walking, disturbed and insomnia, delirium, restlessness; in addition, phlegm fire and congestion of coughing, sputum yellow and sticky, phlegm and fire blocking the qi mechanism and there is chest tightness, chest pain and palpitation and shortness of breath. Red tongue, yellow and greasy moss, slippery pulse are all manifestations of phlegm fire. Traditional Chinese medicine Angong Niuhuang Pills can be used to assist in the treatment.