Menstruation pink and thin like water, consider the liquid component more blood component is reduced, may be leukorrhea increased, or due to cervical inflammation appeared more secretion caused. After menstruation, you can do gynecological examination or colposcopy, to understand the situation of the cervix, if necessary, you can also do cervical TCT examination, to find the exact cause of the disease to give timely treatment. If your period is pink in color, you need to be alert to whether your body is anemic. You can see your doctor for a routine blood test to see if the number of red blood cells and hemoglobin values are within the normal range. If you are suffering from anemia, you need to determine the type of anemia and give the appropriate treatment plan, usually pay attention to a balanced diet, reasonable nutrition, do not eat, picky eating.