Abstract:In this paper, the characteristics of direct seeding with water, direct seeding with drought, direct seeding with soil moisture and direct seeding with drought soil in Ningxia were summarized. The serious harmful weeds in direct-seeding paddy field mainly include barnyard grass, sedges, alisma, pondweed and others. The types and characteristics of herbicides commonly used in paddy fields were introduced. In view of the existing problems of weeding between paddy fields by direct seeding, the control strategies of weeds between paddy fields by direct seeding in Ningxia were put forward.