Corn is in uniform spraying machine can spray pesticides at the same time, by replacing the seedling transportation hopper, fertilizing device, spraying device for fertilization or seedling transportation work, reasonable design, compact structure, light weight, flexible turning, convenient operation, ridge passing ability, walking wheel can be adapted to dry water, strong and not anti depression wound ridge, with high clearance four wheel drive, high strength gearbox, differential steering, hard shell, good quality.