The invention discloses a moving type multifunctional breeding machine for sunning grounds. The breeding machine comprises a driving mechanism, a tedding and screening mechanism, and a breeding mechanism. When grains are dried in a sunning ground, the tedding and screening mechanism is used to select high quality, large and plump grains during the tedding process, the selected grains are taken as seeds, seeds are delivered to the breeding mechanism to carry out coating and breeding, the functions of grain tedding, seed selecting, and seed coating are integrated and automatically carried out, and the work efficiency is improved.