动粥斑块是动粥动物模型主动脉血管壁的一些附着物，主要成分为胆固醇、脂肪等。对其染色最常用的方法是苏丹Ⅲ染色，但效果常不令人满意，以致动脉壁内膜和斑块对比不清晰，很难确认。为满足科研及临床病理诊断的需要，本文以“油红Ｏ”对动粥斑块染色，取得了理想的效果... Pork porridge is a porridge animal model of aorta wall attachment, the main component of cholesterol, fat and so on. The most commonly used method of staining is Sudan Ⅲ staining, but the effect is often not satisfactory, so that the arterial wall intima and plaque contrast is not clear, it is difficult to confirm. In order to meet the needs of scientific research and clinicopathological diagnosis, this paper uses “Oil Red O” to stain the porridge and achieve the desired results.