Mifepristone is best taken two hours after a meal, because the initial mixing and emptying of food in the stomach is basically completed two hours after a meal, at this time after taking mifepristone can be quickly decomposed and absorbed to reach the effective drug concentration, so as to play the best drug effect. If mifepristone is taken before meals or with other drugs or with rice, the food taken will have a certain effect on the decomposition and action of the drug, thus affecting the efficacy of the drug. The inhibition of fibroids also decreases.