The generic name of both chenodone and Angiostatin is progesterone, but the dosage forms of the two are different, and there is no such thing as which one is better, patients should choose reasonably according to their personal situation. Snowdrone is a progesterone vaginal extended-release gel, administered vaginally, used for fertility preservation therapy in assisted reproductive technology to supplement endogenous secretion of deficient progesterone. Its use may cause adverse reactions of abdominal pain and generalized pain, and it should not be used for people with liver dysfunction, and it should be used to prevent thrombotic disorders. Angiostatin is a progesterone softgel capsule, which can be administered orally or vaginally for the treatment of progesterone deficiency conditions such as menstrual disorders, premenopausal hormone disorders, and assisted pregnancy. There may be adverse effects such as dizziness and drowsiness when used, and it should not be used for people with liver abnormalities. Note that both drugs need to be used under the guidance of a doctor, to avoid unauthorized use of drugs, to prevent triggering adverse consequences.