The utility model provides an automatic impale capsule device, includes the base, is ring form, and upper portion is formed with places the platform, and the base inside wall is formed with the guide rail, and the guide rail is provided with the face of getting on the right track connected through a guide slope and orbital plane down, puncture, including swivel becket and blade, the swivel becket rotates and assembles in the guide rail, and the protruding guide block that is equipped with is located when getting on the right track when the guide block the blade stretches into places the platform, and the swivel becket is provided with elasticity resetting means, when used not, guide block are located orbital plane down, and the blade did not stretch into and placed the platform this moment, so the will not is stabbed or the fish tail finger, in the time of need impaling capsule, the swivel becket rotates, drive the guide block when the orbital plane slides supreme orbital plane along guide slope down, and the blade stretches into the platform is placed, the sealing label membrane can be punctureed, its is safe in utilization, convenient operation.