1.Blue Whale hunting is prohibited,due to the occurrence of a collision with a vessel or trapped,entangled in fishing equipment,blue whales will be injured,so arranged to reduce fishing devices.
2.Some chemicals,such as polychlorinated biphenyls and other are gathered in the body of blue whale,so we must reduce the emissions of these chemicals.
3.Global warming cause will affect the collapse of the thermohaline circulation in the ocean,impact the migration of blue whale ,and also affect the predation of blue whale .Therefore we must reduce the emissions of the greenhouse gas
4.From policy,to form a consensus internationally,and developing international conventions to protect the blue whale.