Product features: strong anti pull, and after the design of two to avoid the agitation of the patient to solve the case occurred. The stressed part is widened and thickened, the length of the belt can be adjusted freely, and the space is freely turned over to avoid the blood circulation disorder. Ensure patient safety. The material properties: from strong tensile resistance of cotton cloth and cut bearing parts, widened thickened, tied to the bed beam long belt, can avoid the design before and after the two in patients with restlessness to unlock the break occurs. Product function: 1) to prevent patients with scratches, bruises, falling out of bed or extubation, self injury and injury accidents such as he; 2) with severe cognitive impairment or (and) physical dysfunction patients or patients with cognitive disorder the use of medical equipment such as ECG, intravascular indwelling needle etc.. The crowd: severe (ICU) unconscious in patients with cognitive disorders, behavior disorders, and assess the risk of falling patients, insanity injury prone patients themselves or others. 1 select the appropriate size of the safety vest, and to ensure that the buttons and belts are not damaged Note: that the safety vest and the patient's body should have enough room to ensure blood circulation and breathing.