The utility model provides an old person falls down supplementary clothes of acousto -optic warning. Accompanying the aggravation of population aging trend, old person's nursing becomes the problem that various circles of society paid close attention to, and it is that the old man hurts one of dead major reason to fall down, and as old man during at remote districts or the rare regional activity of the stream of people, if when taking place to fall down, because near pedestrian is less, can in time not send the hospital to after falling down, and lead to the fact old man's the best treatment time. An old person falls down supplementary clothes of acousto -optic warning which constitutes and includes: audible and visual alarm (1) and supplementary clothes (2), the front portion of the supplementary clothes mode through the snap -fastener is connected with audible and visual alarm, and the front portion of supplementary clothes still is provided with bar groove (3) and family address, telephone contact fence (4), and the bar inslot is even has spilt one deck phosphor powder, forms fluorescent powder layer (5), and the phone has been inserted in the contact fence in the address, the card is got in touch to the address. The utility model discloses be applied to old person falls down supplementary clothes of acousto -optic warning.