The invention discloses a portable medicine bottle with convenient medicine preservation, pick-up and placement functions. The portable medicine bottle comprises a bottle body and a bottle cap, wherein the whole bottle body is cylindrical; the bottle cap is arranged at the upper port of the bottle body; medicine-bottle tablet outlet holes which communicate with the inner cavity of the bottle body are vertically formed in the lower end of the bottle body; and tablets are allowed to pass through the medicine-bottle tablet outlet holes. The portable medicine bottle is characterized in that a tablet take-out control device used for controlling the operation that the tablets are taken out of the bottle body from the medicine-bottle tablet outlet holes is arranged in the inner cavity of the bottle body. The portable medicine bottle has the advantages of being small in size and convenient to carry; the tablets can be quantitatively taken out for use; a variety of tablets can be carried simultaneously; the safety can be achieved; and the tablets can be protected from pollution.