国内虽早已开展色素内镜检查法，但远不及日本普遍和深入，现就近几年日本开展的上消化道色素内镜检查，作一简单介绍。一、色素内镜检查的分类及原理：根据色素散布的作用机制，分为对比法、染色法、反应法等，分述如下［１，２］。（一）对比法：利用色素滞溜在粘膜沟凹中， Although the country has long been carried out pigment endoscopy, but far less than Japan’s general and in-depth, now in recent years Japan carried out on the upper gastrointestinal endoscopy, for a brief introduction. First, the classification and principle of pigment endoscopy: According to the mechanism of pigment dispersion, divided into contrast, staining, reaction, etc., are described below [1,2]. (A) contrast method: the use of pigment stagnation slide mucosal groove concave,