Zhi Mu not only has the effect of clearing heat and fire, but also can be used for internal heat in Yin deficiency, both for clearing actual fire and deficiency heat. Phellodendron Bark clears both deficiency heat and actual heat, and can be used to treat both heat drenching (burning and stinging pain evident during urination, accompanied by frequent urination and urgency, and discomfort from traction in the abdomen) and astringent pain, as well as night sweating (abnormal sweating after falling asleep, and cessation of sweating after waking up), and so on. Xuan Shen functions to clear heat and cool blood (relieving blood heat by clearing heat), nourish yin and reduce fire (nourishing yin essence and lowering fire). Raw Radix Rehmanniae can clear heat and cool blood as well as nourish kidney yin to lower deficiency fire. Artemisia annua can remove bone-vaporizing heat and clear deficiency heat, as well as relieve summer heat and diarrhea. Bai Wei can clear solid heat from the lungs and also reduce deficiency heat. Mudanpi can clear heat and cool blood, treating heat in the camp blood (heat evil invading the body to a deep degree, with severe symptoms) and other solid fire, as well as reducing deficiency heat for treating yin deficiency fever. Bone Skin can clear the lungs and lower the fire, treating lung-heat cough, but also can reduce the deficiency heat, is a good treatment for bone vapor. Hu Huanglian can clear dampness-heat and reduce deficiency-heat. The above herbs should be used under medical supervision.