The price of 24-hour esophageal pH monitoring is about $1,000, which can vary from hospital to hospital, region to region, and so on. 24-hour esophageal pH monitoring is a method used to diagnose reflux esophagitis, and this method is widely used in the diagnosis of reflux esophagitis. Special attention should be paid to avoiding high-fat and greasy food intake, taking light and easy-to-digest food, eating small and frequent meals, avoiding overeating, and stopping medications affecting gastric acid secretion and gastrointestinal motility 3 days before the test. The price of 24-hour esophageal PH monitoring is about 1,000 yuan, and its price is affected by the region, hospital, examination instrument and other factors, for example, the price of first-tier cities is higher than that of third-tier cities, and the price of provincial tertiary hospitals is higher than that of county hospitals, so please refer to your local hospital for the specific price.