(1) As the cutting standard is not clear, the engineering department is required to formulate cutting drawings and material loss standards for various products, which will be distributed to the production workshop before the production starts, and the workshop supervisor will organize operators to conduct training and requirements. (2) Establish the control card for receiving, issuing and replenishing materials, stipulate that the Planning and Material Control Department is responsible for the review and approval of material receipt, control the transfer of materials receiving, returning, replenishing and semi-finished products in the production workshop in the form of tables, and clarify the responsibilities of recipients, reviewers and approvers. (3) Formulate the warehouse management system, standardize the daily management of the warehouse, adopt the method of preparing materials and issuing materials according to the order, clarify the lateral restriction responsibility of the warehouse keeper, and strictly manage the warehousing and warehousing of warehouse materials and the inventory and accounting records of the inventory materials. (4) stipulate the responsibility of material loss control between the production workshop supervisor and each production team, adopt the method of rewarding the superior and punishing the inferior, publish the data every week, and encourage the employees in the production workshop to actively improve the material utilization rate and reduce the material loss. And stipulate the time limit and responsible person for returning the surplus materials, and clean them up once a week. (5) Plan the material control department to summarize the original forms, make statistical analysis every week, and rank the reward and punishment teams; Calculate and assess the relevant person in charge of production department every month.