The invention discloses an
oral administration device. After improvement of the
oral administration device, a suction
nozzle is movably buckled through an upper
screw cap, the upper
screw cap and a lower
screw cap are tightly screwed through an upper thread, an inner-outer cup and the lower screw cap are tightly screwed through a lower thread, and a connecting disc and a waterproof pad are arranged in the lower screw cap; the suction
nozzle is provided with a suction
nozzle wall and an upper
guide tube wall, a
warm water outflow hole is formed in an end part of the suction nozzle wall, an upper
guide tube cavity is formed in the upper
guide tube wall, and a liquid
medicine outflow hole is formed in an end part of the upper guide tube cavity; a lower guide tube wall is arranged at the upperend of the lower screw cap, a liquid
medicine inflow hole and a lower guide tube cavity are correspondingly formed in the lower part of the lower guide tube wall, and a
warm water outflow hole is formed in the upper end of the lower screw cap; the inner-outer cup is provided with a liquid
medicine cup wall, a liquid medicine cup is formed in the liquid medicine cup wall, and a
piston head and a push rod are connected to form a medicine boost mechanism which is wholly located in the liquid medicine cup correspondingly. After improvement, the
oral administration device is suitable for childrenof different ages, stimulation of bitterness of medicines can be reduced greatly, a child can suck actively, and medicine feeding becomes simpler and easier; less medicine remains in a guide tube of the administration device, an
assembly process is simple, and the administration device is convenient to clean.