Fish, shrimp and many other marine products of the sea are not only essential nutritional foods for human life, but also an invaluable resource that brings income to humans, especially coastal people. . However, in recent years, through television and radio, many news about the fishing situation by mines and ERW. In order to catch a variety of rare and precious shrimp and fish, for personal benefit, many people have used mines and blasting to cause mass death of fish, this action is worthy of condemnation, not only harmful to fish, shrimp, aquatic However, it also causes pollution of the marine environment, water pollution, ecological imbalance. If not careful, mines and explosives can directly threaten human lives.