Women in a bad mood during menstruation will affect the discharge of menstrual blood, serious menstrual disorders, is not conducive to the health of the body, there are several hazards: 1, it will lead to an increase or decrease in menstrual blood, menstruation prolongation or shortening of the situation occurs. 2, leading to the occurrence of women have fatigue and weakness, resistance to decline, the occurrence of colds. 3, there will be a loss of appetite, nausea, vomiting and other gastrointestinal discomforts. The situation occurs. During menstruation, women should pay attention to proper rest, maintain a relaxed mood, and can be properly relieved by distraction, such as listening to music, watching TV, eating and so on. Bad mood can lead to menstrual disorders and is not conducive to physical recovery. Menstruation is a normal physiological period for women, during which they are often affected by unfavorable external factors, thus affecting the change of menstruation.