For women whose menstrual cycle is usually around 28 days, when the menstrual cycle is less than 21 days is called early menstruation, the cause is blood heat, but there is a distinction between actual heat and deficiency heat. When a woman has a strong Yang energy, or likes to eat spicy and tonic products, it may cause the blood in the veins to be dry and restless, and the blood heat to move, which is manifested as early menstruation, bright red color, the amount may be more or normal, and the rest of the body is in good condition. For such women, it is generally recommended to eat a light diet, less spicy food, abstain from taking tonic products, and strengthen exercise to consume excessive energy in the body, so that the blood will be at ease when the qi slows down. This is real heat, while deficiency heat is the opposite. The woman is thin, with early menstruation but low menstrual volume and dark color. Because of water deficiency can not control fire, many women accompanied by difficult to sleep, or sleep dreamy, belong to the Yin deficiency fire type. This type of early menstruation should not be given cold medicine, so as not to hurt Yin more. The treatment should be to nourish the yin and lower the fire, calm the mind and tranquilize the spirit, so that the symptoms of yin and blood deficiency will improve slowly, and the yin and yang will be secret, and the early menstruation will be cured. The six-flavored Dihuang Wan is the common formula for this evidence, when the five hearts are bothered by heat and other evidence, suggest Zhi Bai Dihuang Wan, and accompanied by dizziness and tinnitus, vision dizziness available Qiju Dihuang Wan. In conclusion, premature menstruation is very common in clinical practice and is often a combination of deficiency and actuality. It is recommended to seek medical advice in a timely manner and not to take medication at home.