Premature menstruation may be related to the following factors: 1, mental and emotional factors, depression, irritability, mental tension, work, life stress are likely to premature menstruation. 2, long-term eating spicy and stimulating food, supplements, dieting caused by malnutrition are likely to affect the endocrine environment. 3, drug factors, such as contraceptives, radiotherapy drugs, drugs for the treatment of mental illness. 4, disease factors, such as reproductive organs of Inflammation, tumors, intracranial diseases, endocrine dysfunction diseases are likely to lead to abnormal menstruation. 5, the impact of birth control ring, some women will have early menstruation after the ring, this situation does not need to worry, time will return to normal. 6, changes in the living environment. If once in a while an early menstruation, generally does not matter, often early menstruation should go to the hospital in time to check and clarify the cause. Women should eat a light diet during menstruation, try not to eat spicy and stimulating, cold food, pay attention to abdominal warmth, rest more, avoid staying up late, and keep a happy mood.