近年来亚临床甲状腺功能减退症(subclinical hypothy-roidism,SCH)发病率越来越高。其发病机制一般认为是自身免疫功能紊乱所致,此外,碘剂摄入的过量或过少摄入也可导致SCH的发生,它对心脑血管系统、神经肌肉系统等均有影响,引起脂质紊乱,促进动脉粥样硬化及冠心病发生发展,造成肌肉损伤,对妊娠妇女可以造成流产、胎盘早置等,目前主张及早用甲状腺激素干预治疗。 In recent years, subclinical hypothyroidism (subclinical hypothyroidism, SCH) incidence is getting higher and higher. Its pathogenesis is generally considered to be caused by autoimmune disorders, in addition, iodine intake of too much or too little intake can also lead to the occurrence of SCH, its cardiovascular and cerebrovascular system, neuromuscular system, etc. have an impact, causing fat Quality disorders, and promote the development of atherosclerosis and coronary heart disease, resulting in muscle damage to pregnant women can cause miscarriage, early placenta, etc., the current advocate the early treatment with thyroid hormone intervention.