大多数化脓性球菌都属于革兰氏阳性菌，它们能产生外毒素使人致病，而大多数肠道菌多属于革兰氏阴性菌，它们产生内毒素，靠内毒素使人致病。

• Coccus of most fester sex belongs to bacterium of positive of change orchid family name, they can produce exotoxin to make the person causes disease, and bacterium of most bowel path belongs to bacterium of negative of change orchid family name more, they produce endotoxin, rely on endotoxin to make the person causes disease.