Wind prevention cover of balance

The utility model discloses a windshield of a balance, which is arranged on the balance and comprises a plurality of side plates, an upper frame formed on the upper edges of the side plates and a head cover which is covered on the upper frame. The head cover is a sliding movable door, the upper frame is provided with a couple of first sides and a couple of second sides, the first sides are arranged face to face, and provided with guide rails for the head cover sliding on, an embedded groove is arranged on one second side for the right side of the head cover embedding. Due to the utility model adopting the embedded groove and the guide rails, the head cover is easy to dismount, and user can clean the head cover of the balance windshield without any tools, so the utility model reduces the influence of weighing result due to dirty head cover, guaranteeing precision level of balance weighing. User can weigh a bigger object conveniently from the top due to the head cover convenient dismounting.