A vacuum-molded and reusable limb protecting pad (A) comprises an airtight bag body (10), two locating components (17) being respectively arranged at the positions, which are spaced and correspond to each other, of two inner side surfaces of the airtight bag body (10), the locating components (17) being capable of dividing a containing space (13) in the bag body (10) into a plurality of locating spaces (131), the bag body (10) being maintained to be in a flat and narrow shape, and the adjacent locating spaces (131) being enabled to be spaced, but be communicated with each other for being filled with a plurality of granules (40) an air nozzle (20), the bottom of the air nozzle (20) being sealed on the surface of the bag body (10) in an airtight way, and the air nozzle (20) being internally provided with an air channel (211) which is used for communicating the inside and the outside of the bag body (10) and can be switched into a state of communication or non- communication a filter screen (112), arranged at a position corresponding to the air channel (221), the sieve number of the filter screen (112) being less than the particle sizes of the granules (40) and at least one tightening component (15), capable of enabling the limb protecting pad (A) to stably surround and cling to the surface of a limb (B).La présente invention concerne un coussinet de protection de membre moulé sous vide et réutilisable (A) comprenant un corps de sac étanche à lair (10), deux éléments de localisation (17) étant disposés respectivement au niveau des positions, qui sont espacées et correspondent lune à lautre, de deux surfaces latérales intérieures du corps de sac étanche à lair (10), les éléments de localisation (17) pouvant diviser un espace de confinement (13) dans le corps de sac (10) en une pluralité despaces de localisation (131), le corps de sac (10) étant maintenu dans une forme plate et étroite, et les espaces de localisation adjacents (131) pouvant être espacés, mais communiquer
