2. Treatment of cough and hematemesis, fever due to yin deficiency: sweet potato stems cost five to eight yuan, and they are decocted with water. (Hunan Pharmacology)
3. Treating nameless swelling, soup fire injury: mashing sweet potatoes and vines, and rubbing sesame oil on the affected area. (Hunan Pharmacology)
4. Treatment of sweet potato sores: raw sweet potato vines, mashed, applied to the sores, left the head, and changed with the drying. If it has festered, take the cotton root bark, bake it to fine powder and sprinkle it on the sore. (Guizhou Folk Medicine).