Packing plays an important role in creating constant competetivenes so that companies employ strategies to enjoy constant competetiveness. A suitable packing should be considered according to kind and size of product and the need of preserving so that it could endure the usuol pressures while the product is transferring. The goal of this study is estimating the effect of packing public goods on transferring insurance of marine goods in guilan port and marine general officc. statistical society of this study for performing field research is consisted of managers, port and custom experts, goods owners insurance, logical representative of goods owners, ships routes and proffessors related to port marine and insurance matters of guilan port and merine general office. there are 245 persons that were sampled by non- random sampling with kokron formula, a society consisted of 124 persons. in this surrey structural equations were used for hypothesis testing and T- test for differentiating the significance of mean of variables and feridman-test for ranking rariables. the result of survey shows that the obtained significance for variables of this survey(designing, capacity, constancy safety, notifing) is less than %5. there fore, there is significant difference between meens of packing general goods and expecting mean. So we can say that general good packing influences on insurance covering of marine goods of guilan port and marine general office.