Hydrocele is an accumulation of serous fluid greater in amount than the few drops normally present within the two layers of the tunica vaginalis. The most common type is simple hydrocele, in which the normally formed tunica vaginalis is distended with fluid. The case is a report about an old man with hydrocele. The hydrocele is founded by pelvis sono. Treatment was Herb-medication and rest. And the size of hydrocele and symptoms were reduced.