PROBLEM TO BE SOLVED: To provide an orally disintegrating tablet containing a high amount of herbal medicine powder such as tea leaves.SOLUTION: An orally disintegrating tablet is produced through a wet granulation step of a mixture containing a herbal medicine powder, an excipient, and a disintegrator with sodium salt solution, a compression molding step of the obtained granulated material, and a heating step by microwave irradiation of the obtained molding. The obtained orally disintegrating tablet contains 20% by weight or more of herbal medicine powder to tablet weight, the disintegration time is 30 seconds or less, and the tablet hardness is 10 N or more.