It depends on the distance, whether the activities are limited and so on. Because riding a bike is faster and more labor-saving; Walking is slower and more laborious. Excluding these factors, walking is better than cycling. Because there are still great defects in the design of bicycle seat, especially the front part of the seat will bring some physiological harm to people, especially to men's prostate. It is recommended not to ride a bike for too long.
Cycling and hiking belong to aerobic exercise, mainly depending on the frequency of walking and the posture and frequency of cycling. Aerobic exercise is not mainly to exercise muscles, but mainly to exercise cardiopulmonary function and body balance and burn fat. Aerobic exercise or anaerobic exercise, such as going to the gym to practice equipment.