Multiple-cropping and high-yield cultivation method of shepherd purse

The invention discloses a multiple-cropping and high-yield cultivation method of shepherd purse. The multiple-cropping and high-yield cultivation method comprises the steps of land preparation, sowing and harvesting as well as field management, wherein the sowing and harvesting are respectively carried out in spring, summer, autumn. The multiple-cropping and high-yield cultivation method is high in yield and simple and convenient in cultivation; through the cultivation, seven to nine times of shepherd purse crop can be harvested, the yield per year and mu is improved to about 5000-6000 kg from about 3000 kg in traditional three-cropping cultivation in spring, summer and autumn, and the benefit is also obviously promoted.