健康人的口腔、咽部、呼吸道、肠道及生殖系统等处,都可有细菌生长。这些细菌可以是致病菌,条件致病菌,亦可是腐物寄生菌。在正常人体内,固紫染色阳性与固紫染色阴性细菌之间,细菌与霉菌之间,均有互相约制,维持一定平衡的作用。当机体虚弱,长期应用大剂量广谱抗菌素、肾上腺皮 Healthy people’s mouth, throat, respiratory, intestinal and reproductive system, etc., can have bacterial growth. These bacteria can be pathogenic bacteria, opportunistic pathogens, but also rot objects parasitic bacteria. In normal human body, between solid purple staining and solid purple staining negative bacteria, bacteria and mold, there are mutual restraint, to maintain a certain balance. When the body is weak, long-term use of high-dose broad-spectrum antibiotics, adrenal