Eating icy food is not recommended during physiologic period. Eating icy food during physiological period is likely to cause pelvic vasoconstriction, resulting in a decrease in blood volume. Cold food may also irritate the gastrointestinal tract, resulting in bloating, abdominal pain, nausea, vomiting, diarrhea and other discomforts, so eating icy food is not recommended during physiological period. Pay attention to keep warm and avoid catching cold during physiological period. Avoid spicy, cold and other stimulating foods in your diet, pay attention to balanced nutrition and do not overeat. Rest, do not overwork, avoid strenuous exercise and heavy labor. Keep your mood happy and avoid too much emotional tension and anxiety. If there is too much or too little blood or abnormal color during physiological period, you need to consult a doctor in time.