Swelling on the right upper part of a man’s lower pubic area may be swelling of the right scrotum or swelling of the right inguinal region, and there may be testicular syringomyelia, hernia, tumor and other conditions. 1. Testicular syringomyelia: the cause is complex, and congenital developmental abnormalities, inflammation, trauma and other conditions occur. After the onset of the disease, the patient may appear on the right side of the scrotum swelling performance, mostly accompanied by localized swelling pain. 2. Hernia: If the patient exists in the right inguinal region of straight hernia, hiatal hernia, femoral hernia and other conditions, there may be a lump. It can be characterized by swelling in the right upper part of the male lower pubic area. The size of the lump is variable, and it usually disappears smoothly by standing and protruding. 3. Tumor: the right inguinal region is rich in lymph nodes, if lymphoma, lymphatic metastatic cancer and other lesions occur, local lumps may appear, and the inguinal region may be swollen. If patients have any discomfort, they should consult the doctor in time for examination and early treatment.