A pressure socks comprising a sock unit and an elastic capsule body is disclosed, the sock unit has a rear pouch member, a front pouch member stacked in parallel at one side of the rear pouch member, and a spacer linking the rear pouch member and the front pouch member. The rear pouch member is provided with a unidirectional open rear space, the front pouch member having a front space stacked in parallel at one side of the rear space and an opening which can be communicated to the outside through the front space, the elastic capsule body is mounted in the front space and is provided with an capsule member having flexibility and elasticity and a fluid filling the inside of the capsule member. The use of the elastic capsule body not only can prevent the users feet and legs from continuing to swell, but also solve the problem of blood clotting.一種壓力襪,包含一襪體單元及一彈性囊體,該襪體單元具有一後袋件、一平行疊設在該後袋件一側的前袋件及一連結在該後、前袋件之間的間隔件,該後袋件設有一呈單向開放的後空間,該前袋件具有一平行疊設在該後空間一側的前空間及一可由該前空間連通至外部的前開口,該彈性囊體安裝在該前空間中,並具有一具撓性及彈性之囊件及一充填在該囊件內部的流體。利用該彈性囊體的設置,可防止使用者的腳部與腿部繼續腫脹,且可解決血凝問題。10‧‧‧襪體單元11‧‧‧後袋件111‧‧‧下橫置段112‧‧‧後筒段113‧‧‧後空間114‧‧‧後開口12‧‧‧前袋件121‧‧‧上橫置段122‧‧‧前筒段123‧‧‧前空間124‧‧‧前開口125‧‧‧下片體126‧‧‧上片體13‧‧‧間隔件20‧‧‧彈性囊體21‧‧‧囊件211‧‧‧填充嘴