Damp-heat underflow (dampness and heat evils invading the intestines, bladder, pubic area, lower limbs, etc.) Feeling of anal swelling and distension is due to the fact that the evils of dampness and heat invade the large intestines, vaporizing and compressing the intestines, and stagnation of intestinal qi (blockage of qi’s flow), so this symptom occurs. Generally speaking, Damp-Heat Injection refers to the flow of Damp-Heat to the lower organs such as the bladder and the large intestine, which is mainly manifested by short and red urine (small amount of urine with dark yellow color), heavy body and fatigue, yellowish fur on the tongue, and moistening of the pulse. Dampness and heat downstream in the large intestine, mostly known as colon dampness and heat (colon feeling dampness and heat) certificate, to the anus burning, abdominal pain, diarrhea, anxious and heavy (refers to the urgency of stool but can not be a diarrhea for fast, the anus has a heavy stagnation of wanting to go down the feeling of not down) as the main manifestations. If you feel uncomfortable, go to the hospital in time, and follow the doctor’s instructions for treatment.