The cost of a gastroscopy and colonoscopy is about$300, depending on the level of the hospital. Before the gastroenteroscopy, you need to be evaluated, complete an electrocardiogram to rule out any heart disease, and complete tests for infectious diseases, such as Hepatitis B, Hepatitis C, syphilis, and HIV antibodies, etc. The total cost is about$150. Before gastroscopy, you need to drink anesthesia, commonly used are lidocaine hydrochloride gelatin paste, dacronine hydrochloride gelatin paste, the cost ranges from 10-30 yuan, before colonoscopy, you need to drink laxatives to clear the bowel, commonly used western medicine are magnesium sulfate powder, compound polyethylene glycol electrolyte bulk, the cost ranges from 40-70 yuan. If the patient can not tolerate ordinary gastroscopy and colonoscopy, you can also choose painless gastroenteroscopy, painless gastroenteroscopy needs to be examined under anesthesia, the cost is about 600 yuan.