The invention discloses a multifunctional portable life jacket for marine casualties, and relates to the technical field of life jackets. The multifunctional portable life jacket for the marine casualties comprises a life jacket body, a
wireless distress signal transmitter is fixedly connected to the left side of the top of the front face of the life jacket body, an item containing bag is fixedlyconnected to the left side of the portion, located under a first fixing band, of the front face of the life jacket body, a
water drinking device is fixedly connected to the right side of the portion,located under the first fixing band, of the front face of the life jacket body, air supply devices are fixedly connected to the portions, located under the item containing bag and the
water drinking device, of the front face of the life jacket body, and
inflatable floating bags are fixedly connected to the portions, located in inner cavities of annular bags, of the outer surface of the bottom of the life jacket body. According to the multifunctional portable life jacket for the marine casualties, the size of the life jacket can be effectively decreased, and then the life jacket can be conveniently carried; the
signal transmitter is arranged, and
search and rescue are convenient for
search and rescue personnel; water and food are provided, and the survival time of the casualties is prolonged; and first-aid medicines are provided, therefore, first-aid operation is convenient, and the personal safety is guaranteed.