The invention provides a fitness chair for middle-aged and elderly people, and belongs to the field of fitness equipment. The fitness chair comprises chair legs, a chair back and a seat. Two armrests are arranged on the chair back transversely; each armrest comprises a fixing part and a telescopic part, wherein the fixing part is fixedly arranged on the chair back, the telescopic part is connected to the fixing part and comprises a handle, a compression rod and a sleeve, one end of the sleeve is connected to the fixing part, the other end of the sleeve is opened and bent inwards to form a flange, one end of the compression rod stretches into the sleeve and is provided with a boss, the other end of the compression rod is connected with the handle, the handle is arranged vertically, the compression rod is sleeved with a compressed spring, and the two ends of the compressed spring abut against the boss and the flange respectively. The armrests for physically training arm muscles are arranged on the fitness chair for middle-aged and elderly people, routinization of the fitness function is achieved, people can take physical exercise in spare time at ordinary times, the whole armrests are simple in design and capable of meeting the requirement for exercise at ordinary times of people and promoting exercise amount, and people can maintain physical fitness.