Mild tricuspid regurgitation is not dangerous. Most patients with mild tricuspid regurgitation do not have any clinical symptoms, and only a small percentage of patients experience mild chest tightness, shortness of breath, and dyspnea, but the symptoms are very mild, so there is no need to be nervous. Mild tricuspid regurgitation can be seen as a physiological or pathological condition. The most common physiological condition is the degenerative degeneration of the tricuspid valve with age, resulting in tricuspid valve insufficiency, leading to mild tricuspid regurgitation. However, the area of mild regurgitation is very small and the regurgitation fraction is less than 30%, so there is basically no great risk. In pathological cases, any disease that can cause ventricular enlargement can lead to mild tricuspid regurgitation, such as hypertensive heart disease and coronary artery disease, all of which may lead to mild tricuspid regurgitation. For mild tricuspid regurgitation caused by pathological conditions, only the underlying disease is treated, such as controlling hypertension and controlling the symptoms of coronary heart disease.