Abdominal hernia formation is mainly caused by the decrease in strength of the abdominal wall and the increase in intra-abdominal pressure, the most common is extra-abdominal hernia. 1. The factors that cause the abdominal wall strength to decrease are: certain tissues through the abdominal wall parts, such as the spermatic cord or uterine round ligament, etc.; the abdominal white line is easy to become a weak point due to underdevelopment; poor healing of surgical incisions, abdominal wall trauma and infections; old age, obesity, etc. caused by muscle atrophy, etc.. 2. Factors causing increased intra-abdominal pressure mainly include: chronic cough, chronic constipation, urinary difficulties, pregnancy, etc. Continuous or transient increased intra-abdominal pressure is the cause of extra-abdominal hernia. If you have a hernia, please seek medical treatment in time and look for a professional doctor to carry out reasonable and standardized diagnosis and treatment behavior.