Phlegm obscuring the heart means that the heart is obscured by phlegm and causes mental disorders, which are characterized by dullness of mind and indifference of expression. Phlegm obscuring the heart is a disease mechanism in Chinese medicine, which means that the heart is obscured by phlegm and causes a series of pathological changes of mental disorders, the patient may have dullness of mind, indifference, chest tightness and epigastric platitudes, crying and laughing, mumbling, confusion, and white fur on the tongue. Some patients may also have convulsions of the limbs and sudden fainting in severe cases. Patients with phlegm clouding the orifices of the heart can be treated with medicines such as Phlegm Conducting Tang and Defining Eclampsia Pill under the guidance of a doctor. All in all, patients with phlegm in the heart orifices need to go to the hospital in time and cooperate with the doctor for active treatment.