Ⅳ型肾小管性酸中毒是远曲小管“阳离子交换段”泌钾、泌氢障碍所致，以高血钾、高血氯性酸中毒为主要表现的综合征。现将我们诊治的３例报告如下。１临床资料１１一般情况和病因例１，男，５２岁，原发病为高血压性肾病；例２，女，２３岁，原发病为急进性肾炎；例３，... Type Ⅳ renal tubular acidosis is distal convoluted tubules “cation exchange section” secretion of potassium, hydrogen production disorders caused by hyperkalemia, hyperglycemic acidosis as the main manifestation of the syndrome. Now we diagnosis and treatment of 3 cases are as follows. 1 clinical data 1  1 general and etiological cases 1, male, 52 years old, the primary disease is hypertensive nephropathy; Example 2, female, 23 years old, the primary disease is acute nephritis;