PURPOSE: A cassia seed processing method for improving the eye health of users is provided to enable users to eat cassia seeds after crushing and extracting the cassia seeds. CONSTITUTION: A cassia seed processing method for improving the eye health of users comprises a step of crushing or extracting cassia seeds. The users can intake the crushed cassia seeds or a cassia seed extract, or can intake the cassia seeds after molding into a pill using the crushed cassia seeds.