The invention discloses a fixed telephone with a calculator function, wherein a calculator key (4) and a telephone set key (5) are respectively arranged on a telephone body (1)); the calculator and the fixed telephone share one display screen (3); meanwhile, the calculator can also calculate through voice input, so that not only is the calculation function of the fixed telephone increased, but also the function of simplifying the desktop is achieved; thus, the requirement for intelligentizing of people is met; and the fixed telephone with the calculator function has the advantages of simple structure, convenience in use and the like and is particularly suitable for office staff to use.