It can be judged by clinical manifestations. Qi deficiency syndrome mainly manifests as mental fatigue (mental exhaustion, physical weakness), little qi and lazy speech (lack of strength, not wanting to talk), and pulse deficiency. Qi stagnation syndrome mainly manifests as distension, pain, and stringy pulse. 1. Qi deficiency syndrome refers to the lack of vital energy in the body, reduced function of internal organs and tissues, with fatigue, lack of energy and laziness in speech, and pulse deficiency as the main manifestations of the syndrome. Qi deficiency is mostly due to congenital insufficiency, or loss of nourishment, or prolonged illness, serious illness, overwork, old age, etc., resulting in a lack of vital energy, so that the gas to promote, consolidate, defend, gasification and other functions out of order. 2. Qi stagnation syndrome refers to a certain part of the body, or a viscera, meridians and channels of the qi stagnation (qi’s operation is impeded), the operation is not smooth, in order to distension, pain, pulse string as the main manifestation of the symptoms. Qi stagnation syndrome is mostly caused by the stagnation of qi due to emotional disorders (unruffled emotions), melancholy and sadness, and overthinking; or the blockage of qi by phlegm and drink (pathological products formed by the impaired metabolism of water and liquid), stagnant blood, food accumulation (the accumulation of indigested food in the stomach), accumulation of worms and gravel, and so on, which makes qi closed and obstructed. Determining whether there is Qi deficiency or Qi stagnation should be judged holistically and comprehensively. If there is any discomfort, please go to the hospital for medical treatment.