Low menstrual flow can be treated by moxibustion, which can improve the symptoms to some extent. In Chinese medicine, low menstrual flow is categorized into different types of evidence, such as blood deficiency, kidney deficiency and blood cold. It is advisable to seek professional moxibustion treatment and not to perform moxibustion without authorization in order to prevent counterproductive effects. The common causes of low menstrual flow are as follows: 1, a history of uterine operations can damage the endometrium; 2, infection with Mycobacterium tuberculosis can damage the endometrium; 3, previous uterine adhesions, cervical canal adhesions can reduce menstrual flow. Women need to go to the hospital as soon as possible for consultation and examination to find out what causes menstrual cramps and then treat the symptoms.