Carry out dynamic management of slope protection mold maintenance, summarize mold files, and provide maintenance plans. Spot inspection of mold cleaning: carry out spot inspection of mold cleaning according to the plan to achieve high mold cleanliness and cultivate the skills of mold maintenance personnel. Strengthen the skill training of maintenance personnel, including operation skills, maintenance procedures, die structure, die fault analysis and treatment, etc. Mold spare parts: do a good job of mold spare parts according to the mold archives, focusing on the management of the spare parts warehouse. To deal with mold maintenance with reasonable inventory, attention should also be paid to the quality of spare parts, because the quality of spare parts also endangers the product quality.