Prolonged menstruation is generally not recommended to take Wu Ji Bai Feng Wan. Wu Ji Bai Feng Wan has the effect of regulating menstruation and can be used to treat menstrual disorders caused by deficiency of qi and blood, but it is usually started after the menstrual period is cleaned up, and it is not recommended to take Wu Ji Bai Feng Wan for prolonged menstruation, especially for patients who have heavy menstruation so as to avoid excessive menstruation. Wu Ji Bai Feng Wan is a kind of Chinese patent medicine, the main ingredients of which are ginseng, Wu Ji, Angelica sinensis, Astragalus, Chinese yam, Salvia officinalis and so on. It has the functions of tonifying qi and nourishing blood, regulating menstruation and stopping leucorrhea (regulating menstruation and reducing abnormally increased leucorrhea) and is mainly used in treating deficiency of qi and blood, thinness, lumbar and knee soreness and tenderness (a feeling of soreness and weakness of waist and knees), menstrual disorders, disintegration and leucorrhea (excessive menstrual flow or spotting of menstruation), and subluxation of the leucorrhea. Attention should be paid to avoiding cold, raw and cold food; this medicine should not be taken when one has a cold; it is not advisable to take quinquefolium, wulingzhi, saponaria and their preparations at the same time when taking this medicine; it is not advisable to drink tea and eat radish, so as not to affect the efficacy of the medicine; if one’s menstruation is normally normal, and there is a sudden occurrence of scanty menstruation, or menstruation is wrongly delayed, or irregular vaginal bleeding one should go to the hospital for medical consultation. Adverse effects of Wuji Baifeng Pills are still unclear, in uncertainty whether the drug can be used in the menstrual period extended, you need to consult a doctor in time and use under professional guidance.