The Spleen and Stomach Qi rises and falls abnormally, which leads to the Qi and Fire stagnation within. Desquamative cheilitis is caused by the spleen and stomach fire. Wang Yangang believes that starting from adjusting the lifting and lowering of the Spleen and Stomach Qi movement, the normal ascending and dispersing Qi would dispel the Fire. The commonly used methods of ascending and dispersing Qi are method of dispersing with fragrant drugs, method of raising the Yang Qi, the method of invigorating the Spleen and raising the Yang and the method of relieving exterior syndrome and dispersing Fire. The most frequently used Qi descending method is descending Stomach Qi, combining with soothing Liver Qi, clearing and descending Lung Qi. Clinical practice has proved that "adjusting the up and down of Qi to relieve the stagnated Fire" in treatment of desquamative cheilitis has definite effect.