The invention discloses a vegetable seedling-raising device, and relates to the technical field of seedling-raising equipment. The vegetable seedling-raising device comprises a seedling-raising box, the seedling-raising box is horizontally provided with a partition plate in a partitioned mode, the partition plate partitions the inner cavity of the seedling-raising box into a first seedling-raising room and a second seedling-raising room, an opening of the seedling-raising box is provided with movable doors corresponding to the first seedling-raising room and the second seedling-raising room, the inner cavity of the first seedling-raising room and the inner cavity of the second seedling-raising room are both provided with seedling-raising basins, water pipes and heating pipes, the seedling-raising basins are suspended in the seeding-raising box, a draining hole is formed in the bottom face of each seedling-raising basin, the heating pipes are arranged at the top of the inner cavity of the first seedling-raising room and at the top of the inner cavity of the second seedling-raising room, the water pipes are arranged below the heating pipes, and the water outlet end of each water pipe is provided with a spraying head. According to the vegetable seedling-raising device, seedling-raising operation of vegetable seeds is provided, the moisture and temperature of the seedling environment can be controlled in the seedling-raising process, the germination rate of the seeds is high, the occurrence rate of diseases is low, and the device is convenient to operate and flexible to use.