Traditional Chinese medicine divides six evils into several categories.

1: wind evil. Any exogenous evil with the characteristics of doing good deeds, clearing yang and purging is called "wind evil". There is a saying in Chinese medicine that "wind is the length of all diseases", that is, many diseases are related to wind evil.

2. Cold evil. Traditional Chinese medicine refers to all exogenous pathogens with cold, coagulation, inhalation and other characteristics in nature as cold pathogens. Cold pathogen is the most likely to damage the yang of human body, and it is also easy to cause various pains due to local coagulation of the body.

3: Damp evil. At present, the number of people suffering from dampness is increasing year by year. What is wet? Damp pathogen is an exogenous pathogen, which is heavy and sticky in nature and has a downward trend. Pathogenic dampness often induces chest tightness, discomfort of the spleen and stomach in the middle energizer, fullness, and unfavorable urination.

4. dryness, all external evils with dryness and convergence in nature are called dryness. Among them, it is divided into cool dryness and warm dryness.

5. Fire evil, any external evil with the characteristics of heat and rising in nature, is called heat evil. Fire and heat are both exuberant yang, exogenous pathogenic factors, and diseases are the same. The difference is that the pathogenic factors of heat are mostly diffuse fever, and the pathogenic factors of fire are mostly a local symptom.

6: Summer evil. Generally speaking, it refers to the evil spirits of heat, rising, dispersing and dampness after the summer solstice and before beginning of autumn, which is called summer evil and has obvious seasonal characteristics.

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Of course, climate change is closely related to the occurrence of diseases, but abnormal climate change can't make everyone sick. For another example, in autumn, when the air is dry, people's lungs are most vulnerable to dry injuries. At this time, some people pay attention to health care and eat some foods that benefit qi and nourish yin to avoid lung dryness.

So, how to prevent fire evil? The four solar terms of vernal equinox, Qingming, Grain Rain and attention are the main orders of fire evil. During this period, you can drink some mung bean soup and eat some fruits and vegetables such as watermelon, strawberry and bitter gourd. The diet should be light, and don't be greedy for spicy soup, boiled fish and other foods containing spicy condiments, which is easy to get angry in the body. If the' fire' in your body is relatively large, you should also choose some Chinese patent medicines according to the symptoms.