There is no such medicine as Colla Corii Asini Pat Zhen Cake, the correct name of the medicine should be Colla Corii Asini Pat Zhen Cream, which has the effect of tonifying qi and nourishing blood, and is effective in treating menstrual irregularities caused by deficiency of qi and blood, but is ineffective in treating menstrual irregularities caused by other pathologies. Colla Corii Asini Eight Precious Ointment is composed of ginseng, atractylodes macrocephala, Poria cocos, Angelica sinensis, Rhizoma Ligustici Chuanxiong, Paeonia lactiflora, Radix Rehmanniae Praeparata, Radix et Rhizoma Glycyrrhizae Miltiorrhizae, Colla Corii Asini, and has the effect of replenishing qi and blood, and it is used for treating the symptoms such as paleness of the face, dizziness and dizziness, tiredness of the limbs, shortness of breath, lazy speech, and menstrual irregularities caused by deficiency in qi and blood. Adverse effects and contraindications of Colla Corii Asini Bazhen Cream are not clear. If there is a need for medication, it is recommended to use it under the guidance of a professional physician, not blindly self-medication.