A sublingual tablet pharmaceutical composition containing edaravone and (+)-2-borneol, and a preparation method thereof. The sublingual tablet pharmaceutical composition includes edaravone, (+)-2-camphanol, an excipient, a filler, a binder, a disintegrant, and a lubricant. The excipient is selected from one or more of mannitol, lactose, dextran, cysteine, glycine, copovidone, and beta-cyclodextrin.