The article deals with the selected parts of the writings of M. Tullius Cicero De natura deorum and Cato Maior De senectute dealing with medicine. It is an attempt to illustrate medical knowledge of educated people in ancient Rome. In its true sense, the above given writings have not a scientific character. However, the errors that the writings contain belong to the time when Marcus Tullius Cicero had lived. Ciceros knowledge in anatomy is given as an example.