Aspirin does not usually cause constipation. Aspirin is an antipyretic and analgesic that can be used to relieve mild to moderate pain, and can also be used to reduce fever and other febrile illnesses such as flu and colds. Nausea, vomiting, abdominal pain, diarrhea, gastrointestinal bleeding and other adverse digestive symptoms may occur after taking aspirin, but it does not usually cause constipation. Constipation is usually caused by factors such as insufficient water intake, work-life stress, poor dietary habits and bowel habits, as well as disease factors such as intestinal obstruction, anal fissure and hypothyroidism. Patients who need to take aspirin should use it under the guidance of a doctor, and those who cannot be relieved after adjusting their diet and exercise are recommended to go to the hospital.