Cold and heat mixed refers to both cold and heat evidence in the same patient, it is not the cause of the disease, will not cause stomach pain, but cold and heat mixed evidence can have stomach pain symptoms.
The formation of cold and heat mixed has three cases: first, there is first heat evidence, and then feel the cold, or first cold evidence, and then feel the heat; second, there is first external cold evidence, cold depression heat, although it has been into the inside, but the surface cold has not been resolved; third, the body is a yin and yang imbalance.
Cold and heat mismatch can be divided into the cold and heat mismatch of the surface and the cold and heat mismatch of the upper and lower, the cold and heat mismatch of the upper and lower, including the upper heat under the cold (the upper part of the heat, the lower part of the cold) and the upper cold under the heat.
For example, if the patient has cold pain in the stomach and epigastric region, vomiting and salivation, etc., the upper part of the spleen and stomach deficiency cold (spleen and stomach weakness cold) evidence and frequent urination, urinary pain, short yellow urine, etc., the lower part of the bladder dampness and heat, then it is known as cold-heat mixed evidence of cold and heat under the upper cold.