Mitral valve prolapse is a common heart valve disease with a prevalence of 1%-2.5% in the population. Asymptomatic patients generally do not require special management, while symptomatic patients are treated with symptomatic support. The cause of mitral valve prolapse is still not fully understood. The majority of patients with mitral valve prolapse are asymptomatic. Some patients may present with intermittent dull anterior chest pain, palpitations, fatigue, and dyspnea. Asymptomatic patients with mitral valve prolapse generally do not require clinical intervention, while symptomatic patients should be treated with symptomatic supportive management, as well as active management of the primary disease causing mitral valve prolapse, such as infective endocarditis. The prognosis for mitral valve prolapse is generally fair, with no change in clinical manifestations over the years. In some patients, complications such as cardiac arrhythmias and cerebral ischemia may occur, resulting in a poor prognosis. Patients should be followed up regularly to dynamically observe the progress of the disease and its treatment.