Penile heat may be caused by prolonged erection and congestion of the penis, or it may be caused by urethritis or glans penis. If there is excessive masturbation habits or frequent sex, it will lead to a long time of penile erection and congestion, coupled with friction stimulation will lead to penile heat, which is a normal phenomenon. If men have urethritis, it can lead to urethral burning, and accompanied by frequent urination, urinary urgency, urinary pain, redness and swelling of the urethral opening and other symptoms. If there is foreskin glansitis, it can lead to redness, swelling and pain of the foreskin and glans, which can also lead to penile fever. Excluding the physiological factors, if the penis fever, it is recommended to go to the hospital, improve the relevant examination, and then give appropriate treatment.