Seedling grafting cultivation box for vegetable planting and cultivation method thereof

The invention discloses a seedling grafting cultivation box for vegetable planting and a cultivation method thereof, relates to the technical field of vegetable cultivation boxes, and aims to solve the problem of poor growth environment after vegetable seedlings are grafted. A seedling grafting cultivation box for vegetable planting comprises an upper cultivation box and a lower cultivation box, the corners of the top end of the upper cultivation box are connected with the bottom ends of upper fixing rods respectively, the upper ends of the upper fixing rods are connected with the corners of the bottom end of a top plate, and an upper insect repelling lamp is installed in the center of the bottom end of the top plate. Liquid is firstly filtered by a filter plate and then discharged, blockage of a drainage pipe caused by impurities in the liquid can be effectively avoided, regular watering can be achieved by controlling and operating a water valve through an external control device, and the survival rate of gr