Siheyuan: to Save My Mother, I Became a Genius Doctor

Chen Yu, who traveled to the courtyard, became a 12-year-old child
Father died on the battlefield, leaving only a seriously ill mother and an adopted sister
Mother was diagnosed with leukemia, only three months
In order to save his mother, Chen Yu learned the medical skills left by his ancestors, awakened the system again, and became a divine healer to heal his mother.
With the help of the system, life is getting better and better
In the face of the beasts in the courtyard, he is never used to it, and he uses ruthless methods to kill all the beasts.