The hardening and thickening of the spermatic cord after hernia surgery may be caused by damage to blood vessels or nerves during surgery, or it may be caused by postoperative infection or edema, and it is recommended that you go to the hospital in time for examination. Hernia surgery is currently commonly used in clinical tension-free hernia repair and laparoscopic repair, it is possible to damage the blood vessels and nerves during the operation, causing the spermatic cord to become hard and thick after the operation. It may also be caused by postoperative infection or edema. You can use cold towels or ice to apply cold compresses at an early stage, as well as using salt bags for compression and hernia belts for bandaging and immobilization. After the operation, you must pay attention to rest, absolutely no strenuous activities, you can use a salt bag to compress in the early stage, usually about a week the thickening of the spermatic cord will be slowly absorbed and dissipated, and the later at least three months to check to avoid recurrence. After the hernia surgery, the spermatic cord becomes hard and thick, and it is recommended that the patient should consult the doctor in time if he has any uncomfortable symptoms.