结素试验在临床诊断及流行病学调查方面有重要价值,但自卡介苗普遍接种以来,如何鉴别卡介苗接种或自然感染所引起的阳性结素反应存在着很大困难。鉴别上膊有无接种疤痕以及观查结素反应强度可能有一定的实用价值。本文采用不同结素剂量及试验方法进一步从反应强度方面探索有无鉴别诊断的规律性。 Nodulins test is of great value in clinical diagnosis and epidemiological investigation. However, since the universal inoculation of BCG, it is very difficult to identify the positive caking reaction caused by BCG vaccination or natural infection. Identify the upper arm without vaccination scars and look-knot hormone response intensity may have some practical value. In this paper, the use of different knot dosage and test methods to further explore the reaction intensity from the regularity of the differential diagnosis.