Spleen and kidney yang deficiency (deficiency of yang qi in the spleen and kidneys) and damp-heat in the stomach and intestines are two different certificates. Spleen and kidney yang deficiency is manifested by abdominal pain and diarrhea, dysuria (unruly urine), lumbar and knee soreness (feeling of soreness and weakness in the lumbar and knee areas), and light tongue with white coating; and damp-heat in the stomach and intestines is manifested by short, reddish urine (small amount of urine, dark yellow in color), thick, foul-smelling yellow stools, and yellowish and greasy red coating on the tongue. 1. Spleen and kidney yang deficiency: Spleen yang deficiency and kidney yang deficiency (deficiency of yang qi of the kidneys) are caused by weakness and recurrence of sensation, congenital endowment insufficiency (inborn constitution and poor functioning), etc. Clinical manifestations include cold and limb coldness (fear of cold, cold limbs), lumbar and knee soreness and weakness, whiteness of face (white face with no luster), abdominal pain and diarrhea, unfavorable urination, pale tongue and white moss with tooth marks, and thin and feeble pulse, etc. Its treatment should tonify the spleen and benefit the qi, and make the bowels yellow, thick and foul smelling, with red and yellowish mottle. Its treatment should tonify the spleen and qi, warm the yang and tonify the kidney, and use Zhenwu Tang, Sishen Pill, and Lizhong Tang with Pseudostemonopsis to carry out the treatment. 2. Gastrointestinal dampness-heat: due to dampness-heat toxicity, dietary indiscretion and other causes of dampness and filth in the intestinal tract, clinical manifestations include urgency and heaviness (discomfort in the lower abdomen, wanting to defecate very much, and feeling of incomplete defecation after defecation), abdominal pain, diarrhea, heat, thirst, yellowish and foul-smelling feces, short and yellowish urine, red tongue, yellowish and greasy moss, slippery pulse, etc. The treatment should be clearing heat and inducing dampness. The treatment should be to clear away heat and eliminate dampness (to remove heat and dampness in the body), which can be treated by adding subtractions to Puerariae Scutellariae Lian Lian Tang. If you feel unwell, please consult a doctor in time and take effective treatment after comprehensive consideration and analysis by a clinician.