The normal female amenorrhea age is around 45-54 years old, the patient is 39 years old does not belong to the normal age of amenorrhea, the main causes of amenorrhea may be pregnancy, premature ovarian failure, poor lifestyle, mental factors and disease causes, different reasons for different treatment methods, as follows: 1, pregnancy: if sudden amenorrhea should first consider whether pregnancy, you can retain the morning urine, using a pregnancy test paper detection, but also You can also go to the hospital to do relevant tests, such as blood HCG; 2, premature ovarian failure: hormone supplementation therapy is needed, under the premise of excluding contraindications can continue to use drugs, and at the same time, dietary adjustments, you can eat blood-boosting food, healthy diet, reasonable work and rest time, to ensure adequate sleep, exercise, appropriate supplementation of calcium and vitamin D; 3, disease factors: thyroid disease caused by Amenorrhea can be treated with related medications, such as thyroxine. Amenorrhea caused by tumors may require surgical treatment. Hypothalamic lesions caused by amenorrhea can be treated with gonadotropin-releasing hormone; 4, poor lifestyle: mainly caused by low weight or obesity, excessive exercise, etc., can be improved by regulating lifestyle, such as low weight to adjust diet, enhance nutrition; obese patients to increase physical exercise, weight loss; excessive exercise should reduce the intensity of training, moderate exercise, etc.; 5, mental factors: long-term mental Depression, tension, anxiety, emotional changes, etc., patients should actively sort out their emotions, relieve the symptoms of discomfort, usually lift or reduce mental factors after menstruation can gradually recover.