Agricultural machine purchase management system and method based on block chain, and related equipment

The invention discloses an agricultural machine purchase management system and method based on a block chain and related equipment, which can be applied to the block chain field or the financial field, and comprises the following steps: a purchaser uploads pre-application information of pre-purchasing an agricultural machine to the block chain; and the agricultural machine auditing mechanism obtains and audits the pre-application information, and uploads an auditing result to the block chain. And when the verification is passed, the agricultural machinery supplier obtains the information of the pre-purchased agricultural machinery from the pre-application information, and uploads the to-be-transacted order to the block chain. And when the purchaser completes the to-be-transacted order, the agricultural machine auditing mechanism obtains the subsidy amount of the pre-purchased agricultural machine and uploads the subsidy amount to the block chain. The subsidy issuing mechanism issues the subsidy to the purchas