Invisible phlegm can produce paralysis, chest paralysis (tightness and pain in the chest), dementia and other diseases. Invisible phlegm is the opposite of “tangible phlegm”, i.e. visible phlegm, in Chinese medicine. When the human spleen and stomach are out of balance, the spleen’s ability to move water and dampness decreases, and the flow of water in the human body is impeded, it can be gathered abnormally, forming phlegm. Phlegm accumulates in the internal organs and meridians, which is called “invisible phlegm”. 1. When invisible phlegm accumulates in the joints of the whole body, it will cause phlegm stasis and paralysis-type paralysis, which is mainly manifested as paralysis for a long time, swollen and tingling joints of the limbs, and the pain is fixed and immovable, and the pain is often obvious at night; or the joints are purple and dark, with swelling, limb numbness or heaviness, or the joints are stiff and deformed and unfavorable for flexion and extension. 2. When invisible phlegm accumulates in the heart, there can be phlegm obstruction (phlegm and turbid evil qi obstructing qi) type of chest paralysis, mainly manifested as dull pain in the precordial region, shortness of breath and phlegm, heavy limbs, fat body, easy to attack or aggravate in cloudy and rainy days, accompanied by mental lethargy, body weakness, poor appetite, loose stools, fat tongue with teeth marks on the side, cloudy and greasy or slippery moss and slippery veins. 3. When invisible phlegm accumulates in the brain, there will be phlegm and clouded orifices type of dementia, which is mainly manifested as dull expression, diminished intelligence, or crying and laughing, or silent, not thinking about food and drink, dizziness, fullness in the epigastrium (stomach and abdomen), phlegm and saliva, shortness of breath, pale tongue, greasy moss, slippery or moistened pulse, etc. When the body is unwell, it should be treated with the same kind of treatment as the other patients. When the body appears to be unwell, should promptly go to the hospital, professional physician’s diagnosis after standardized treatment.