Qi deficiency belongs to a disease mechanism, which refers to the insufficiency of the whole body’s yuan qi, zong qi, wei qi, etc., and the decline in the functions of the internal organs, which is manifested as symptoms such as mental fatigue (mental exhaustion, physical weakness), less qi and lazy speech (lack of strength, do not want to talk). Qi deficiency is a situation that often occurs in the body, indicating that the body gas is insufficient, the functions of various internal organs will be affected, manifested as easy to fatigue, shortness of breath, fatigue, dizziness, self-sweating (involuntary sweating during the day, a little sweat aggravated by the movement), activities after the aggravation of a variety of symptoms, after resting the symptoms are relieved and other symptoms. If qi deficiency exists, it is necessary to pay attention to adequate rest to promote the recovery of the body. If the symptoms of qi deficiency persist and cannot be relieved, it is recommended to go to the hospital in a timely manner, and under the guidance of the doctor to take the appropriate methods of treatment to promote the relief of the uncomfortable situation.