PURPOSE: An automobile safety belt is provided to enable a user to wear the safety belt without continuous tightening by stopping the rewinding of the belt. CONSTITUTION: An automobile safety belt comprises a cap for temporarily stopping the rewinding of a belt or tongs. The cap and the tongs are installed on a belt locking support(1). The tongs holds a belt(4) to temporarily stop the rewinding of the belt. After the length of the belt is adjusted and the belt is fixed by the tongs, the belt is not rewound.