时病谓四时感伤,常变谓有常有变。《素问·生气通天论》曰:“冬伤于寒,春必病温,春伤于风,夏生宣泄,夏伤于暑,秋必病疟,秋伤于湿,冬生咳嗽”。此是外因病例,四时感伤,与其变化的情状,复由此推进,变化无穷。就经文论据,既说四时感伤而病,春当岁 When the illness was sentimentally known as the fourth time, it often means that there is a change. “Su Wen · angry madness” theory: “Winter hurt in cold, spring must be warm, spring hurt in the wind, summer students vent, summer hurt in summer, autumn must be malaria, fall injury in wet, winter cough ” . This is an external cause case, sentimental at 4 o’clock, and its changing circumstances. As far as the textual arguments are concerned, they say that they are sentimental and sick at the age of four and spring