Cold and dampness in the middle jiao can be seen in the epigastric and abdominal congestion and fullness, body fatigue, loose stools, dark color, or yellow body and eyes, and white and greasy tongue coating. In terms of the triple jiao area, the middle jiao is located below the diaphragm, above the navel, including the spleen and stomach, liver and gallbladder, small intestine and other internal organs. Cold and dampness attacking the middle jiao, making the middle jiao organs for cold and dampness trapped, making the transportation and transformation of the dereliction of duty, the emergence of epigastric plagiarism, fullness of discomfort, head and body heavy, white tongue, cold and dampness congestion of the liver and gallbladder, bile overflow to see the face of the dark as smoky, the body and eyes yellowing and other symptoms. When the middle jiao is trapped by cold-dampness, there can be a variety of symptoms, and it can also involve the upper or lower jiao, so it is necessary to analyze and judge according to the relevant symptoms in order to effectively regulate and treat the disease.