Generally people are not allowed to drink yogurt immediately after colonoscopy treatment and need to recover for 1 to 2 hours before drinking yogurt. As each person’s individual constitution is different, the time needed to recover from anesthesia is different, and it is recommended to resume diet gradually under the doctor’s guidance. There are two types of colonoscopy: normal colonoscopy and painless colonoscopy. Ordinary colonoscopy adopts the way of local surface anesthesia, the recovery is relatively fast, generally can drink yogurt after 1 hour. Painless colonoscopy takes the way of general anesthesia through intravenous injection of anesthetic drugs, which has a certain inhibition of respiratory function, you can not drink yogurt immediately after the examination, and you need to recover for a period of time before you can drink yogurt.