For single-sized rectangular blank cutting, the method to cut a certain number of the single-sized rectangular blanks with the least stock sheets was discussed. It was put forward a five-block pattern for the simple cutting process, namely, the sheet was divide into five blocks all arranged along the same direction. Furthermore, a deterministic algorithm was designed to solve the cutting plan. First, an algorithm based on the implicit enumeration method was constructed to determine the optimal five-block pattern on the whole sheet. Then, the algorithm was extended to solve the optimal five-block pattern on the partial sheet. The above algorithm, the algorithm with recursive algorithm and joining method of the literature were compared by examples. The numerical experiment results show that the algorithm discussed is effective both in cutting process and in sheet utilization.