从医学角度看，观察人面部或皮肤颜 色是诊断疾病的一个重要依据。尤其是刚出世的新生儿，常由于某些生理或病理因素的影响容易出现皮肤变色。如何鉴别它们是疾病还是生理现象呢？ 红：新生儿皮肤娇嫩，接触外界刺激就会充血，呈深红色，这一般都属正常现象。若小儿臀部皮肤红 From a medical point of view, the observation of human face or skin color is an important basis for diagnosis of the disease. Especially new born newborns, often due to some physiological or pathological factors prone to skin discoloration. How to identify them as diseases or physiological phenomena? Red: Newborns delicate skin, exposure to external stimuli will be congested, dark red, which are generally normal. If children hip skin red