目的总结原发性甲状旁腺功能亢进症的临床经验。方法对1例原发性甲状旁腺功能亢进症患者的诊疗过程进行分析总结。结果该患者以消化系统症状首诊于消化内科,但综合分析患者共存的消化、精神及骨骼系统症状,进行定性诊断及病因诊断,明确为原发性甲状旁腺功能亢进症。结论原发性甲状旁腺功能亢进症临床表现多样,易误诊误治,临床医生应提高警惕,广开思路,谨慎诊断。 Objective To summarize the clinical experience of primary hyperparathyroidism. Methods One case of primary hyperparathyroidism was analyzed and summarized. Results The patient was first diagnosed digestive disease with digestive system symptoms. However, the patients with digestive, mental and skeletal system symptoms were analyzed comprehensively. The patients were diagnosed as primary and secondary hyperparathyroidism by qualitative diagnosis and etiological diagnosis. Conclusions The clinical manifestations of primary hyperparathyroidism are various and easily misdiagnosed and mistaken. Clinicians should be vigilant, widen their thinking and be cautious in diagnosis.