Possible reasons for urination being pink: 1. Acute infection of the urinary system can cause urination to be pink or red, accompanied by symptoms such as urinary frequency, urinary urgency, and painful urination, and it is recommended that routine urine tests and urine culture tests be performed for further clarification. 2. The drug effects of food, oral consumption of large amounts of food containing red pigment, such as dragon fruit or oral administration of aminopyrin tablets, rifampin capsules, etc., can produce urine as Pink or red change, not accompanied by frequent urination, urinary urgency, painful urination symptoms. 3. When there is a urinary bleeding disease, such as a small amount of bleeding can be manifested as pink urine. If you have urinary stones, you can have a color of urine similar to that of flesh-washing water, accompanied by pain in the area where the stones are located, such as back pain or abdominal pain. Ultrasound examination of the urinary system is recommended to rule out the presence of tumors or stones in the urinary tract.