Abstract: ObjectiveTo assess the level of mental health and impulsive personality among hyperthyroidism patients and to explore the role of mental health and impulsive personality in the pathogenesis of hyperthyroidism.MethodsSymptom Checklist-90(SCL-90)and impulsive personality scale were used to measure 217 patients with hyperthyroidism.ResultsThe self-rating score of somatization(1.59±0.56),interpersonal sensitivity(1.37±0.46),anxiety (1.50±0.56),and horror(1.34±0.48)of the hyperthroiclism patients were significantly higher than those of the norm,with significant differences(P<0.01 for all).Somatic impulse was positively correlated with coercion,interpersonal sensitivity,depression,anxiety,hostility,horror,paranoid,and psychosis(P<0.01 or P<0.05).Cognitive behavior impulse was positively correlated with coercion,depression,hostility,paranoid,psychosis,somatization,anxiety,and horror(P<0.01 or P<0.05)and was not correlated with interpersonal sensitivity.Planned impulse had no correlation with somatization,coercion,interpersonal sensitivity,depression,anxiety,hostility,horror,paranoid,and psychosis.ConclusionHyperthyroidism patients had poor mental health and impulsive personality characteristics was related to the incidence of hyperthyroidism.