External heat and internal cold will be manifested as body heat, red face, thirst for hot drinks, body heat instead of covering the blanket, cold extremities (cold extremities, even cold to the elbows and knees), dysentery Qinggu, urine clear long and other symptoms. External cold and internal heat is the real cold and false heat disease, because the body is extremely cold and evil stagnation of yang qi and show false appearance of false heat symptoms. False heat will appear red face, thirst, hands and feet dry disturbance and other false heat symptoms. Cold inside will be manifested as cold extremities, diarrhea Qinggu (stools as thin as water or mixed with undigested food), and long and clear urine. External heat and internal cold is a complex disease, and needs to be judged and treated under the guidance of a professional doctor. It is recommended that the above symptoms appear, need to be under the guidance of a doctor to identify the evidence of treatment, so as not to delay the condition conditioning.