The movie story line is that Jean reno is a surgeon doctor who is married but he accediently fell in love with a very poor girl , the girl die in the end even he tries to operate him, I think it's a french movie

Are you positive that the main character was played by Jean Reno? He played a doctor in La Rafle (http://www.imdb.com/title/tt1382725/), but the plot is not as you describe.
http://www.imdb.com/title/tt1382725/