Riding a bicycle for a short period of time does not normally affect male fertility. If you ride a bicycle for a long time, you may have prostatitis and other conditions, which will have a certain effect on male fertility. 1. Short-term cycling: In general, short-term cycling, good cycling habits, attention to rest and adjustment, on the male reproductive system, such as the penis, testicles, prostate, etc., usually does not produce a lot of stimulation, and will not affect male fertility. 2. Long-term cycling: if often long-distance cycling, cycling frequency frequency, and each time cycling time is too long, cycling posture is not correct, also did not pay attention to rest, there can be compression of the prostate, urethra and other situations, may affect the male reproductive function. Cycling in daily life pay attention to rest and adjustment, avoid overwork. If you have any fertility problems, please consult a doctor in time.