The efficacy of Deer Fetus Cream is to tonify qi and nourish blood, disperse cold and regulate menstruation, which is used for treating deficiency of qi and blood, body weakness, lethargy and fatigue, irregular menstruation, dysmenorrhea, and clear and dilute amount of menstrual discharge. Deer Fetus Cream is a kind of Chinese patent medicine. It is composed of red ginseng, angelica sinensis, motherwort, ripened dihuang, tortoise shell, and geoderma. Its efficacy is to tonify Qi and nourish blood, disperse cold and regulate menstruation. The adverse effects of this drug are not clear. It is contraindicated for those who are allergic to this product, and pregnant women should not take it. Allergic persons and diabetic patients should take it with caution. This drug should not be taken when you have a cold. People with excessive menstruation should not take this medicine. Cold, greasy and spicy food should not be consumed during the period of taking this medicine. It is not advisable to drink tea and eat radish during the period of taking this medicine, and it is also not advisable to take quinquefolium, wulingzhi, saponaria or its preparations at the same time. Deer Fetus Ointment can be used under the guidance of a doctor, or can be used after consulting with relevant professionals and reading the instructions in detail.