Cold and warm herbs can be used together. Whether or not Chinese medicines can be used together is based on the seven emotions, eighteen antipathies and nineteen fears, please follow the doctor’s instructions for the specific use of medicines. According to the different needs of the condition and the medicinal properties, functions and characteristics of Chinese medicines, selectively combining two or more kinds of Chinese medicines together is called compounding of Chinese medicines. Cold and warm medicines are not contraindicated for compounding and can be used together. Whether or not Chinese medicines can be compounded is based on the seven emotions, eighteen antipathies and nineteen fears. The seven emotions of medicines are: single line, mutual necessity, mutual enablement, mutual fear, mutual killing, mutual evil, and opposite. Among them, the opposite and the opposite means that the two medicines should not be used together. The opposite means that the combination of two medicines will produce or enhance the original side effects or toxicity of the two medicines. Eighteen antinomies, i.e., half-summer, guayule, beimu, baiyun, baiyan, bletilla, and chuanwu and caowu are opposite; seaweed, halibut, coriander, glycyrrhiza and glycyrrhiza are not allowed to be used in the same application; all ginsengs (except for radix et rhizoma ginseng), fine spices, paeoniae, and quinquefolium can’t be used at the same time either. Nineteen fears, i.e., sulfur yellow is afraid of Park’s nitrate, mercury is afraid of arsenic, wolfsbane is afraid of mithrax, croton is afraid of petunia, clove is afraid of tulip, toothbrush is afraid of sanling, Chuanwu and Caowu are afraid of rhinoceros horn, ginseng is afraid of wulingzhu, and Guangui is afraid of lithospermum, all of them are prohibited for use in combinations. If you feel unwell and need to take medication, please go to the hospital and use the medication under the guidance of the doctor’s diagnosis, strictly follow the doctor’s instructions and use with caution.