Disclosed is a buffer component and a pressing device, the buffer component is applied to the pressing device. The pressing device includes an anisotropic conductive film pressure knife, the buffer component includes an inserting part, which is made of a first elastic material, and the inserting part is configured to insert into a lower end of the anisotropic conductive film pressure knife; and a buffering part, which is made of a second elastic material, the buffering part is configured to closely attach to a lower end surface of the lower end of the anisotropic conductive film pressure knife.