The invention discloses a portable infusion apparatus. The portable infusion apparatus comprises an upper arm fixing band, an infusion bag, an infusion bag connector, an infusion tube, a lower arm fixing band, infusion tube fixing strips, an
elbow fixing band, a flow velocity
regulator, a
wrist fixing band and a
syringe needle, wherein the infusion bag is arranged on the upper arm fixing band, the infusion bag connector is arranged at the lower end of the infusion bag, the infusion tube is connected with the hung bag through the infusion bag connector, the lower arm fixing band is arranged below the upper arm fixing band, the
elbow fixing band is arranged below the lower arm fixing band, the
wrist fixing band is arranged below the
elbow fixing band, the lower arm fixing band, the elbow fixing band and the
wrist fixing band are fixedly connected with the infusion tube through the infusion tube fixing strips, the flow velocity
regulator is arranged between the elbow fixing band and the wrist fixing band, and the
syringe needle is arranged below the wrist fixing band. Because the hung bag can be fixed to the arm, the infusion apparatus is portable and facilitates
free movement of a patient. The infusion apparatus is simple in structure and convenient to use.