The patient appeared menstruation color light red diluted like water, can be based on different causes for treatment: 1, traditional Chinese medicine that menstruation color light red diluted like water is due to the patient’s qi and blood is too weak caused by this situation can be through the use of traditional Chinese medicine to replenish qi and blood medication, to treat the symptoms. Clinically, it can be treated by taking Four Substances Soup or Eight Treasures Soup.2. If the patient’s symptoms are caused by the body’s estrogen secretion is too small, estrogen is seriously insufficient, this situation can be treated by taking drugs such as estradiol, estradiol valerate and so on. When the patient has this symptom, it will cause great harm to the patient’s body and may lead to infertility. It is recommended that patients go to the hospital in time to check the cause of the disease, and then carry out the corresponding treatment method after clarifying the cause of the disease.