The utility model relates to a soft interdental brush, which comprises a brush rod and a handle. The brush rod has a body and a plurality of elastic lugs, which are in the shape of a long rod, and the plurality of elastic lugs are combined with the outer peripheral surface of the body, and each elastic lug substantially surrounds and extends 180 degrees along the outer peripheral direction of the body. The handle is connected to one end of the body. Therefore, the soft interdental brush has enough surface area to massage the gums and sufficient structural strength to remove the tartar from the teeth seam, effectively improving the use efficiency and convenience.一種軟式齒間刷，係包含一刷桿及一握柄。該刷桿具有一本體及數個彈性凸片，該本體呈長桿狀，該數個彈性凸片結合於該本體之外周面，且各該彈性凸片均沿該本體的外周方向實質環繞延伸180度。該握柄連接於該本體的一端。藉此，該軟式齒間刷具有足夠的表面積按摩牙齦且亦具有充分的結構強度以便將牙垢由齒縫中排除，有效提昇使用效率及便利性。
