Hypertensive disorder complicating pregnancy is a commonly seen pregnancy complication that may pose serious problem to maternity and infant health, and is one of the major causes for morbidity and mortality in pregnant women and neonates, with the specific etiology and pathogenesis remain unclear. Recent studies have found that sympathetic nervous activity hyperthyroidism plays a role in the pathogenesis of hypertensive disorders in pregnancy. This review focused on the relationship between the sympathetic nerve activity and hypertensive disorder complicating pregnancy.