Proprietary Chinese medicines that can be used to treat coldness in the small intestine include Radix Rehmanniae Pill with Conjugated Zi and Tiantai Wu Yao San. 1. Radix Rehmanniae Pill: Radix Rehmanniae Pill has the efficacy of warming the middle and strengthening the spleen, and can be used for treating the symptoms of coldness in the small intestine caused by coldness in the spleen and stomach (spleen and stomach weakness and cold), vomiting and diarrhea, and lack of warmth in the hands and feet. It should not be taken by patients with cold and fever, and should be used with caution by pregnant women. It is prohibited for those who are allergic to this product, and should be used with caution by those with allergies. 2. Tiantai Wu Yao San: Tiantai Wu Yao San has the efficacy of promoting qi and dredging the liver, dispersing cold and relieving pain (relieving pain by dispelling cold in the body), and it can be used to treat hernia of small intestine caused by coldness in the small intestine, pain in the lesser abdomen, white coloring, and swelling in the partial fall. Adverse contraindications and adverse reactions are not known. The above formula needs to be used after identification by a Chinese medicine practitioner and self-medication should be avoided to avoid adverse effects.