How did Liu, a Chinese doctor, die?

Not dead. According to CCTV's Guo Dayi, the drama is based on the development history of Chinese medicine bonesetting legends in Luoyang, Henan Province, and is adapted from the deeds of real historical figures Guo Chunyuan and Meng Qingyun. In the final ending, Liu missed Shanglin Yilong's wedding because of misunderstanding, and then rushed to the railway station to find it. A few years later, they met in a teahouse in Xi 'an and sat down to drink tea. Imperial Doctor is an inspirational female drama directed by Wu Ziniu and starring Zhao Wenxuan and Xu Fan.