Reborn 1998: I Am the Medical Saint

Top national medical saint Lin Fan, betrayed by his brother and lover, dies but is reborn in 1998 with memories of thirty years and a book of medical secrets. This life, he only wants to protect his loved ones. He starts by curing the county magistrate's father's illness, rising swiftly on a path of 'entering officialdom through medicine.' He rides every wave of the era, manipulating local politics and creating legends in business, ultimately reaching the pinnacle of power. — Description from novelcodex.org