Chang Jing is a descendant of the court physician, who has been the physician of the Qing Dynasty for generations. She is the best senior Chinese medicine nutritionist in the combination of traditional Chinese and western medicine. She is good at relieving patients' pain with strange Chinese medicine formulas. Many patients who were originally sentenced to death by western medicine, their lives have been extended and restored in her hands, and the immune system will only get cancer when it drops to a certain extent. The internal organs must be balanced and the immune system is high. Only by improving their immunity can they fight cancer. Over the years, she has been carrying forward the quintessence of Chinese medicine, promoting the legal status of Chinese medicine in mainstream foreign society and establishing a strong image of overseas Chinese medicine.