The invention relates to a weeding device and especially relates to an agricultural weeding device. The technical problem to be solved by the invention is to supply the agricultural weeding device with simple structure, high weeding efficiency and thorough weeding effect. For solving the technical problem, the agricultural weeding device provided by the invention comprises a base plate, a wheel I, a supporting rod I, a connecting rod I, a swinging base, a supporting rod II, a wheel II, a small belt pulley I, a flat belt I, a big belt pulley I, a strut, a motor, a spring, a pressing plate, a base cushion, a rotating shaft, a big belt pulley II, a connecting rod II, a pedal, a flat belt II, a small belt pulley II, a turntable, a fixing plate, a connecting rod III and a hoe, wherein the wheel I is arranged on the left side at the bottom of the base plate; the wheel II is arranged on the right side at the bottom of the base plate; and the small belt pulley I is arranged on the front side of the wheel II. The agricultural weeding device has the advantages of simple structure, high weeding efficiency, thorough weeding effect and capability of increasing the working efficiency of agricultural production.