As a non-resident assistant M.D., he reads for being a resident medical student when his mother dies and he must give it up with the competitive examination. He sets up as a generalist M.D. in Neuvic in 1908. Henri Queuille kept a profound mark from his medical formation which made him a man with a concern for improving the living conditions, often harsh, of his fellow citizens, especially the country people in whose contact he lived, and able to face the most perilous situations with an uncommon cold-bloodedness