1.Medical treatment is suitable for small slip hernia and those with mild reflux symptoms. The principles of treatment are to eliminate the factors of hernia formation, control gastroesophageal reflux, promote esophageal emptying and moderate or reduce gastric acid secretion. (1) Lifestyle changes ① Reduce the amount of food, mainly high protein, low fat diet, avoid coffee, chocolate, alcohol, etc. Avoid lying down after meals and eating before sleep. (2) Take a head-high, foot-low position during sleep and elevate the head of the bed when lying down. ③Avoid bending, wearing tight clothes, vomiting and other factors that increase intra-abdominal pressure. ④Obese people should try to reduce their weight, and those with chronic cough and long-term constipation should try to treat them. For asymptomatic esophageal hiatal hernia and small hiatal hernia, the above treatment can be given appropriately. (2) Drug treatment For those who have gastroesophageal reflux symptoms such as chest pain, retrosternal burning, acid reflux or postprandial regurgitation, in addition to the above preventive measures, anti-reflux and esophageal mucosa-protective drugs and prokinetic drugs should be given. 2. Surgical treatment (1) Indications for surgery ① Esophageal hiatal hernia combined with reflux esophagitis, the effect of medical treatment is not good. (2) Esophageal hiatal hernia with pyloric obstruction and duodenal stasis. ③Para-esophageal hiatal hernia and giant hiatal hernia. (4) Esophageal hiatal hernia with suspected cancer. (2) Surgical principles ①Reset the contents of the hernia. ②Repair the loose and weak esophageal hiatus. ③Prevent and control gastroesophageal reflux. ④Keep the gastric outflow tract unobstructed. ⑤Treat coexisting complications. (3) Surgical methods There are many surgical methods to treat esophageal hiatal hernia, mainly hernia repair and anti-reflux surgery.