Danazol vaginal tablet process and quality control method

The invention relates to a preparation method and a quality control method of a new drug, Danazol Vaginal Tablets, for treating endometriosis with clear dysmenorrhea symptom but light physical sign. The drug can be delivered via cavitary mucosa, so as to prevent or relieve the possible adverse reactions due to systemic drug delivery the effective drug concentration at lesion site is high, so as to be in favor of exert curative action and the added lactic acid-calcium lactate buffer system results in the drug with pH of 3.5-4.0 that is similar to the physiological pH in vagina, so as to effectively retain physiological environment in vagina, provide existing conditions suitable for vaginal beneficial bacteria, and promote rehabilitation.