The utility model discloses a greenhouse for tomato planting. Support frame, a plurality of supports are uniformly arranged; the bottom surfaces of the plurality of support frames are uniformly connected through a plurality of fixing rods; supporting rods with different lengths are arranged on the inner sides of the supporting frames at the two ends; a bearing rod is arranged between the two supporting rods with the same length at the two ends; a plurality of connectors are arranged on the bearing rod; the bottom ends of the connectors are rotationally connected with guide rods; the outer sideof the supporting frame is covered with a heat preservation film. According to the utility model, the problem that tomatoes need to be separately inserted into an existing greenhouse for planting tomatoes is solved; in order to solve the problems that a tomato climbing frame is inconvenient to use and short in service life due to the fact that tomato climbing and growing can be guaranteed, independent tomato inserting is troublesome, and the tomato climbing frame is often inconvenient to use, the pressure resistance of the greenhouse can be effectively improved by improving and optimizing thestructure of the greenhouse, and meanwhile tomato seedlings can climb conveniently through the greenhouse.