Premature heartbeats can occur in physiological and pathological states, as follows: 1. Physiological states: Physiological premature heartbeats are often caused by exercise, staying up late, mental anxiety, etc. They can also be caused by drinking strong tea, coffee, or alcohol, and need to be avoided. 2. Pathological states: Various types of organic heart disease can cause premature heartbeats. cause the phenomenon of premature heart beats. Electrolyte disorders, such as hypokalemia, can cause premature heartbeats. For endocrine disorders, such as hyperthyroidism, can also cause premature beats and tachycardia. In case of cardiac tachycardia, it is recommended to give electrocardiogram 24-hour ambulatory ECG, blood count, thyroid function, etc. to further clarify the diagnosis and, if necessary, atrial esophageal pacing and intracardiac electrophysiological examination to clarify the condition.