Song Zhiwei carried Du Yanhua on her back and walked home. As she walked, she said, "Mom, there is medicine at home to promote blood circulation and remove blood stasis. I will show it to you later. Unfortunately, there is no ice at home, otherwise the effect of cold compress would be better."

"If you are not afraid of pain, I will prick acupuncture points on your ankle and pull out a little of the blood in your ankle. It will heal faster, but you will have to endure some ...