An automobile, comprising a roof and a dashboard and an automotive front seat overhead airbag , the automotive front seat overhead airbag comprising a supporting air chamber and a protective air chamber mounted on the roof, wherein the supporting air chamber is inflated from the roof towards the dashboard upon inflation, wherein the supporting air chamber comprises a first air chamber and a second air chamber , wherein the first air chamber and the second air chamber are both tubular, and extend downward from the roof along a windshield upon inflation, wherein lower ends of the first air chamber and the second air chamber abut the dashboard upon inflation, the protective air chamber is in communication with the supporting air chamber , after the supporting air chamber is inflated, the protective air chamber is inflated from the supporting air chamber towards the human body , wherein the protective air chamber comprises a third air chamber and a fourth air chamber , the first air chamber and the second air chamber are connected at upper ends thereof and then separate and extend therefrom to respectively connect to outer sides of the third air chamber and the fourth air chamber , inner sides of the third air chamber and the fourth air chamber are in communication with each other, and wherein middle sections of the first air chamber and the second air chamber are in communication with the third air chamber and the fourth air chamber , a first protective space is reserved between the supporting air chamber and the protective air chamber on a side facing the human body , and the first protective space corresponds to the head of the human body for protecting the head and neck of the human body , wherein the first protective space is formed between extended sections of the first air chamber and the second air chamber and sides of the third air chamber and the fourth air chamber facing the human body . the supporting air chamber is inflated from the roof towards the dashboard upon inflation, wherein the supporting air chamber comprises a first air chamber and a second air chamber , wherein the first air chamber and the second air chamber are both tubular, and extend downward from the roof along a windshield upon inflation, wherein lower ends of the first air chamber and the second air chamber abut the dashboard upon inflation, the protective air chamber is in communication with the supporting air chamber , after the supporting air chamber is inflated, the protective air chamber is inflated from the supporting air chamber towards the human body , wherein the protective air chamber comprises a third air chamber and a fourth air chamber , the first air chamber and the second air chamber are connected at upper ends thereof and then separate and extend therefrom to respectively connect to outer sides of the third air chamber and the fourth air chamber , inner sides of the third air chamber and the fourth air chamber are in communication with each other, and wherein middle sections of the first air chamber and the second air chamber are in communication with the third air chamber and the fourth air chamber , a first protective space is reserved between the supporting air chamber and the protective air chamber on a side facing the human body , and the first protective space corresponds to the head of the human body for protecting the head and neck of the human body , wherein the first protective space is formed between extended sections of the first air chamber and the second air chamber and sides of the third air chamber and the fourth air chamber facing the human body . <EOS>