The main symptoms of constipation in Yang deficiency are difficulty in passing stools, dry or non-dry stools, accompanied by clear and long urine, lumbar and knee soreness (a feeling of soreness and weakness in the lumbar and knee areas), lack of warmth in the limbs, and a pale tongue with white moss. Yang deficiency constipation is mainly due to the loss of warmth and transmission of the large intestine caused by kidney yang deficiency. Patients with constipation due to Yang deficiency should warm the Kidney-Yang (warming and replenishing the Kidney-Yang), moisten the bowels and pass stools. It can be treated with tonics, such as Jichuan Decoction. Its drug composition includes Cistanches, Angelica sinensis, Cow’s Knee, Citrus aurantium dulcis, Ascophyllum officinale, and Zedoaria zeylanica. The adverse effects and contraindications of this formula are not known. Once constipation due to Yang deficiency occurs, please go to the hospital immediately for consultation and treatment, and take the medication correctly under the guidance of the doctor, do not take the medication on your own.