You can fly after open-heart surgery, but it is treated on a case-by-case basis. Depending on each person’s condition, it determines whether they can fly or not. But the following conditions need to be met: First, the time. At least 3 months after the craniotomy, after 3 months, the intracranial condition can be basically stabilized, the bones can grow better, and the pressure changes can be adapted; otherwise, in the acute stage, it may cause another brain hemorrhage, and other complications, causing adverse reactions of the patient. Second, the patient’s consciousness is awake. If the patient is comatose, it is better not to fly, otherwise there are many vital signs or other changes in the condition, there is no way to observe. If the patient is clear and has some ability to move on his own, this is possible, so that he can more effectively talk about the discomfort, and if there is a bad situation in time to deal with. Third, to regular review. 3 months later to go to the hospital for review, clear intracranial whether there are fresh lesions, if all recovered and stable, it is possible to fly.