Menstruation that is delayed for 10 days each time is mostly a gynecological endocrine disorder and can be diagnosed as a menstrual disorder. The normal menstrual cycle is 28-30 days, and 1 week early or 1 week postponed is normal. A delay in menstruation for more than 10 days indicates unstable hormone levels in the body. The physiological factors that cause delayed menstruation are emotional and environmental factors, as follows: 1. Physiological factors: long-term bad mood, such as having great joy and sadness, environmental changes, eating too much cold food, irregular work and rest can lead to delayed menstruation; 2. Pathological factors: endocrine disorders, hormone level disorders, from Chinese medicine is due to blood deficiency, blood stasis, Qi and blood deficiency, liver and kidney deficiency. If each period is delayed for more than ten days, it is necessary to treat and regulate. If the period is delayed once in a while, it is considered to be caused by physiological factors and self-adjustment is recommended.