Please tell me your gender, age and underlying illness next time. An organ or tissue in the human body leaves its normal anatomical location, and becomes a sputum by entering a weak point, defect or pore formed by congenital or acquired. Common sputum has umbilical hernia, inguinal hernia, oblique hernia, incisional hernia, recurrence of surgery, white sputum, femoral hernia and so on. Abdominal wall spasm due to cough, sneezing, excessive force, abdominal obesity, forced bowel movements, pregnancy, excessive child crying, degeneration of abdominal wall strength, etc. caused by increased intra-abdominal pressure, forced free organs in the abdominal cavity such as: small intestine, cecum, The omentum, bladder, ovary, fallopian tubes and other organs enter the other part through the normal or abnormal weak points or defects of the human body. It is more common in the clinic to inguinal hernia. In the groin area, the mass can be seen or touched, and it can be recovered after lying down. Did you describe the size of the pea grain that has recently appeared? what colour? Will it hurt after rolling? Is it possible that the lymph node group is swollen?