There are risks associated with any surgery, such as bleeding, infection, and incisional scarring. However, hernia repair is relatively low-risk and is one of the most common procedures in general surgery. First, the risk of not treating an inguinal hernia is much higher than the risk of surgery. An untreated inguinal hernia carries the risk of herniation entrapment, leading to organ necrosis and requiring not only emergency surgery but also serious life-threatening conditions. Common surgical complications include: 1. recurrence of the hernia: the recurrence rate is about 1%, but it is now routinely repaired with patches, which reduces the recurrence rate by half. To avoid recurrence patients need to avoid the following risk factors: chronic cough, constipation, smoking and obesity. 2. Infection of the patch: the incidence is less than 1% and is likely to occur in patients who smoke and are obese. 3. Chronic pain and numbness: Occurs in the groin area. To avoid the occurrence of pain, the doctor will protect the nerve and avoid the nerve when fixing the patch. 4. Male infertility: The incidence is very low and only occurs when the spermatic cord is damaged intraoperatively. 5. Injury to the femoral artery: The incidence is very low and may occur in females with femoral hernia repair.