The invention relates to an amoxicillin capsule and the preparation method thereof, in particular to a method of adopting the micropowder technology to prepare amoxicillin capsules. The method utilizes the micropowder technology to overcome the bad dissolution of the amoxicillin capsule in the prior art; meanwhile, the amoxicillin capsule prepared by the method has the advantages of improving thepreparation stability, simplifying the preparation process, reducing the toxic and side effects.