Ride a machine. A kind of full-body sports equipment that simulates riding a horse is riding a plane, and the topic comes from the examination paper of Entertainment Service and Management. Cycling machine is one of the commonly used instruments in community fitness. It can enhance the heart and lung function of human body, activate the main joints of the whole body, develop the strength of upper and lower limbs and waist and back, and also enhance the function of digestive system by massaging internal organs through exercise.