Heat removing and detoxifying drugs can not be used more, one is and heat removing and detoxifying drugs will damage the human body, the second is that heat removing and detoxifying drugs are not suitable for all heat illnesses, if the application of heat removing and detoxifying drugs may aggravate the condition of patients with deficiency heat, as follows: Heat removing and detoxifying (clearing the body of heat and toxicity) drugs are bitter and cold, a large number of applications may lead to damage to the spleen and stomach, the spleen and stomach for the nature of this, the spleen and stomach is damaged so that the body’s resistance to decline, so that the body is more susceptible to disease and evil invasion. And clearing the heat and detoxifying drugs used more, will be subject to the body’s yin and yang imbalance, yang qi damage, may appear diarrhea, cold limbs (cold limbs, or even cold to the elbows and knees and above), the color of the face white and other symptoms. The nature of the heat illness also needs to be recognized when heat-clearing and detoxifying drugs are applied. Heat disease is divided into solid heat syndrome and deficiency heat syndrome. Solid heat can be applied with heat-removing and detoxifying drugs, while deficiency heat cannot be applied with heat-removing and detoxifying drugs, as it will aggravate the condition, and the method of nourishing Yin and dispelling fire is needed instead. The application of heat removing and detoxifying drugs need to be applied under the guidance of a professional doctor, need to be accurately formulated, the disease is gone, not private medication, so as not to cause adverse reactions.