Syndrome Differentiation and Treatment
1. Yin Deficiency and Toxic Heat
Chief Manifestations: Dry cough with little or no sputum, or blood-stained sputum, or frequent hemoptysis, low fever, night sweating, dry mouth, yellow urine, constipation, red tongue with little or no coating, and thready and rapid pulse.
Therapeutic Methods: To nourish yin, clear away heat, remove toxic substance and diminish stagnation.

2. Deficiency of Lung Qi and Spleen Qi Syndrome
Chief Manifestations: Shortness of breath, cough with abundant white sputum, lassitude, feeling of oppression in the chest, poor appetite, abdominal distension, loose stools, sweating on exertion, pale tongue with teeth marks on lateral sides, white and greasy tongue coating, and thready or soft-superficial and smooth pulse.
Therapeutic Methods: To replenish qi, invigorate the spleen, regulate qi and resolve phlegm.

3.?Accumulation of Phlegm-Dampness in the Lung
Chief Manifestations: Shortness of breath, wheezing sound in the throat, cough with difficult expectoration of sticky sputum, distending pain in the chest and hypochondriac region, pale tongue with white and greasy or yellow and greasy coating, wiry and smooth or smooth and rapid pulse.
Therapeutic Methods: To resolve phlegm, eliminate turbidity, remove toxic substance and clear the lung.

4. Stagnation of Qi and Blood Stasis
Chief Manifestations: Stabbing pain and oppression in the chest, shortness of breath, rough cough with darkish blood in sputum, purplish lips, crimson tongue with ecchymotic spots on its surface, thin yellow tongue coating, and thready and unsmooth or wiry and thready pulse.
Therapeutic Methods: To promote the circulation of qi and blood, resolve phlegm and soften hard masses.

5. Deficiency of Qi and Yin
Chief Manifestations: Dull pain in the chest and back, cough with low sound, lassitude, dysphoria with feverish sensation in the chest, palms and soles, spontaneous sweating, night sweating, red tongue with little coatings, and deep, thready and rapid pulse.
Therapeutic Methods: To replenish qi, nourish yin, clear away lung heat and remove toxic substance.

6. Deficiency of Yin and Yang
Chief Manifestations: Pale complexion, cough with little sputum, feeling of oppression in the chest, shortness of breath, dyspnea on exertion, sweating, tinnitus, lumbago and weak legs, aversion to cold, cold limbs, pale tongue with thin and white coating, and deep and thready pulse.
Therapeutic Methods: To invigorate the lung and kidney, and regulate both yin and yang.