Temperature-controllable greenhouse for seedling raising of vegetables and fruits

The utility model relates to the technical field of vegetable and fruit planting, in particular to a temperature-controllable greenhouse for vegetable and fruit seedling raising, and solves the problems that the temperature in a greenhouse is inconvenient to regulate and control and the cultivation and growth of seedlings are affected by too low or too high temperature in the greenhouse in the prior art. A temperature-controllable greenhouse for vegetable and fruit seedling raising comprises a greenhouse body, a main fixing plate is fixedly connected to one side of the top of the greenhouse body, an auxiliary fixing plate is fixedly connected to the other side of the top of the greenhouse body, a driven rod is slidably connected to the top of the auxiliary fixing plate, a clamping rack is fixedly connected to the main fixing plate, and convex grooves are formed in the two sides of the main fixing plate; and convex blocks are slidably connected to the inner sides of the convex grooves correspondingly, and the