The invention belongs to the technical field of seeder and particularly relates to a helicopter seeder applicable to any-hardness soil textures. The helicopter seeder comprises a seed-carrying bullet mechanism and a launching mechanism, wherein the launching mechanism is arranged in a helicopter; the seed-carrying bullet mechanism is arranged in the launching mechanism; the helicopter is used for conveying the launching mechanism to places where a person can not reach; the launching mechanism is used for storing and launching the seed-carrying bullet mechanism; and the seed-carrying bullet mechanism is used for successfully conveying and planting seeds in the soil. The helicopter seeder has a function of sowing the seeds under a special environment; and simultaneously, the seed-carrying bullet mechanism has the function of automatically loosening soil and suitability for different degrees of soil hardness, so that the seeds can germinate better.