In general, there is not much risk of stopping taking aspirin for a week for a gastroscopy. Aspirin, also known as acetylsalicylic acid, belongs to the antipyretic and analgesic drugs, for the derivatives of salicylic acid, can be used to relieve mild or moderate pain, can also be used for colds and other diseases antipyretic treatment; used in the treatment of rheumatic pain; with the inhibition of platelet aggregation, can be used to prevent transient cerebral ischemic attack, myocardial infarction, artificial valves and venous fistulae and other post-surgical thrombus formation. Aspirin has an anticoagulant effect, in order to avoid gastroscopy to take tissue for biopsy and other operations caused by the gastric mucosa is difficult to stop bleeding, so it is recommended to stop aspirin seven days before gastroscopy, to ensure that aspirin has been basically metabolized in vivo, will not interfere with the body’s coagulation function, so to do gastroscopy to stop taking aspirin for a week is generally not a risk. Do gastroscopy before aspirin specific stopping time is recommended to complete under the guidance of the doctor, shall not stop taking medication without authorization.