急性间质性肾炎（ＡＩＮ）是导致急性肾功能衰竭（ＡＲＦ）的众多原因中较为常见的一种，约占ＡＲＦ的１５％，大多ＡＩＮ有明确的诱因，去除病因及对症治疗后病情可以得到不同程度的逆转。因此，掌握ＡＩＮ的病因及病理生理特点将有助于我们在临床上预防、及时地认识和治... Acute interstitial nephritis (AIN) is one of the most common causes of acute renal failure (ARF), accounting for about 15% of ARF. Most of the AIN has a clear incentive to remove the cause and symptomatic treatment of disease can be obtained Different degrees of reversal. Therefore, mastering the etiology and pathophysiology of AIN will help us to prevent, recognize and cure in time.