A common complaint in urology clinics is that the scrotum often feels heavy and sagging, and the abdomen is full of discomfort and hidden pain. The main causes are: 1. inguinal hernia, testicular tumor, testicular sphincter effusion, varicocele, etc. 2, inflammation: such as orchitis, epididymitis, spermatorrhea, prostatitis, vesiculitis, etc. 3, irregular sex life: too much sex too often, too long abstinence or too little intercourse, sperm full but not diarrhea, for a long time will also appear scrotal swelling discomfort. 4, prolonged standing or walking, excessive masturbation, prolonged squatting, prolonged sitting on the toilet can make the sexual organs in a state of regular congestion, inducing scrotal swelling. 5, strenuous exercise or emotional excitement: resulting in faster blood circulation, higher local temperature of the scrotum, scrotal relaxation, testicular drop and swelling 6, too tight clothing and pants: so that the scrotum is locally squeezed, affecting the smooth flow of blood circulation in the scrotum, resulting in scrotal drop and swelling pain.