The utility model discloses a steel bushing for preventing bolts from shedding, which comprises a bolt steel bushing body and is characterized in that the bolt steel bushing is the steel bushing with bulges on the inner side, and the bulges have the role of clamping the bolts. When in detachment of a part, even the part turns over, the bolts can not shed. The structure for preventing the bolts from shedding comprises the bolt steel bushing, the part (engineering plastic is in the majority) embedded with the steel bushing and the bolts. The steel bushing for preventing the bolts from shedding has the advantages of simple structure, convenient installation and detachment, no shedding of the bolts during the detachment process, etc.