1. Protective position: head, neck, back, waist, buttocks, face; 2. Applicable population; Patients with stroke, epilepsy, Parkinson's chronic disease, the elderly over 65 years old, patients with osteoporosis, high blood pressure, dizziness and other leg and foot inconveniences, people with joint surgery, people with mobility difficulties, people who have fallen and injured themselves; 3. Clothes can be used for decades, every time you fall, pop out the airbag, replace 2 new helium cylinders, helium cylinders are cold and high temperature resistant, -60 degrees to 85 degrees will not burst, gas cylinders are exempt from inspection for 15 years; 4. Do not wear it when bathing; Vehicles cannot be worn on transportation; Do not wear it during strenuous exercise.