If you are 30 years old and have a low menstrual flow, you can improve your menstrual flow through the following points: 1. Seek help from a specialist to clarify the cause, if your ovaries are declining and your estrogen is decreasing, you can seek appropriate estrogen supplementation; 2. Seek timely treatment from a gynaecologist for endometrial lesions; 3. Maintain a regular lifestyle and do not stay up late, so that your endocrine secretion can return to normal and your menstruation can be regular; 4. Avoid mental tension, keep your mood happy and reduce psychological stress; 5. Maintain a balanced diet and consume more tonic drugs to avoid iron deficiency anaemia, so that your menstrual flow can return to normal; 6. Avoid straining, combine work and rest, soothe your mind and nourish your body.