Short periods and low menstrual flow are considered to be Qi and blood deficiency and endocrine disorders. It is recommended to do endocrine hormone examination and routine blood examination. If you have iron deficiency anemia, you can use Yi Qi and Blood Oral Liquid and Ferrous Sulfate Oral Liquid. For low menstrual flow, weak spleen and stomach, and loss of appetite, you can use Sijunzi granules. Try to keep your mood relaxed, avoid staying up late and control negative emotions. In addition, eat more peanuts, dates, mutton, dog meat and other foods. It is recommended to do a pituitary gland examination, there may also be a pituitary tumor.