First, the direction of fire is different.

1, fire: it is to lead the internal heat or qi and blood of the head or upper body to the waist and abdomen to discharge the cold and dampness of the waist and abdomen, so as to achieve the purpose of health care. Common external treatments include waist and abdomen moxibustion or external application of drugs.

2. Reducing fire is to direct fire or qi and blood in the head or upper body to the waist, abdomen and even the soles of the feet, which has a good conditioning effect on people with cold constitution or insufficient qi and blood.

Second, the concepts and methods are different.

1, inducing fire to return to Yuan: In essence, it is a method of treating hyperactivity of yang due to yin deficiency with warm drugs, and it is combined with the methods of benefiting qi and removing blood stasis, promoting diuresis and descending adverse flow, benefiting qi and nourishing blood, promoting fluid production and quenching thirst, etc., so as to guide the fire of Shang Yue back to Ming Men.

2. Purging fire for purgation: generally, it includes direct bitter cold purging fire, inducing fire for purgation (inducing body fire) and communicating with heart and kidney (inducing heart fire). Fire is introduced into urine and excluded from the body by comprehensive fire-inducing drugs.

Third, the sources are different.

1, set fire to RMB:?

From "Materia Medica Yan Hui": Radix Aconiti Lateralis, a good medicine for returning yang to dispel yin and cold, dispelling cold and resolving phlegm, and dredging joints.

If all diseases are caused by deficiency of true yang, rising of deficiency fire, bad throat and poor diet, and even worse, taking cold medicine, aconite is the main medicine for life, which can be recruited into its acupoint to make the floating fire extinguish itself. All those with yang deficiency and lung and kidney without heat syndrome have special starting and ending functions.

2. Reduce fire:

"The Classic of Materia Medica" said: "Doing can make up, and nature is good." It can draw blood downward to reduce the fire of inflammation. "

"Seeking Truth from Materia Medica" said: "Its qi will decline if it does not rise." However, Eucommia ulmoides can nourish liver and kidney, and can directly reach the lower bones and muscles, unlike Achyranthes bidentata which descends in the meridian blood. "

References:

Baidu encyclopedia-set fire to the yuan dynasty

Baidu Encyclopedia-Returning Yang to Save the Inverse