The invention discloses a vitamin solid tablet and a preparation method thereof. A vitamin E solid tablet provided by the invention is prepared from the following raw materials in parts by weight: 40-45 parts of stearoyl stearic acid pullulan ester, 1.5-2 parts of a VE, 45-55 parts of maltodextrin and the balance of ingredients. The invention further provides a preparation method of the VE solid tablet. The preparation method comprises the following steps: S1, swelling; S2, mixing; S3, high-pressure homogenization; S4, remixing; S5, spray drying; S6, mixing; S7, pelleting; and S8, tableting. According to the VE solid tablet, the content of the VE in each solid tablet is more uniform, the daily vitamin intake of a taker can be more balanced, the VE solid tablet is compact in structure and not prone to being disintegrated and just melts in the mouth during taking, and uncomfortableness is avoided.