The invention provides a soil regeneration optimization machine and relates to an agricultural machine. The invention aims at providing the soil regeneration optimization machine which integrates soil optimization and seed sowing. The optimization machine can be used for effectively improving soil and specifically comprises soil loosening, iron removal, insect killing, sterilization, mouse killing, fertilizer application and water distribution. The soil regeneration optimization machine provided by the invention comprises a haulage motor, a soil loosening system, an iron removing system, an insect killing and grinding system, a fertilizer application and water distribution system, a seed sowing system and a compaction system, wherein the haulage motor is used for providing power for forward movement; the soil loosening system is used for crushing the soil to be in a loose state; the iron removing system is used for absorbing and removing iron-containing substances in the soil; the insect killing and grinding system is used for killing organisms and bacteria in the soil; the fertilizer application and water distribution system is used for modifying the soil; the seed sowing system is used for sowing the seeds; and the compaction system is used for covering the soil on the seed and compacting.