Qi stagnation and transformation of fire is a concept of pathogenesis, which refers to the stagnation of qi in the body for a long time, the accumulation of fire to form the fire-heat certificate, with the emergence of a certain part of the distension, pain accompanied by fever, thirst, constipation, yellow urine as the main manifestation. Qi stagnation and fire is mainly caused by stagnation of qi for a long time, which is transformed into heat (the evil qi stays for a long time is transformed into heat) and fire is transformed into fire. Qi stagnation syndrome is mainly due to emotional depression, or phlegm-dampness, food stagnation (indigestion of food and accumulation in the stomach), heat depression, blood stasis and other blockage of qi, resulting in a certain part of the body or an internal organs, meridians and channels of the qi blockage (qi is impeded by obstruction of the operation of the poor operation of the main manifestations of bloating, pain, pulse string, Qi stagnation is also known as the qi depression syndrome, qi stagnation syndrome. Heat syndrome due to Qi stagnation and transformation of fire due to the prevalence of Yang heat, there will be fever, malignant heat, red face, irritability, red tongue, yellow moss, number of pulses and other signs of heat, if the heat injures the body fluid there will be thirst and desire to drink, phlegm and mucus yellow and thick, short and yellow urination, dry stools, red tongue with little and dry moss and fluids, and other symptoms. If the above symptoms appear, you should consult a doctor in time.