The invention provides a full-closed-loop medicine conveying method, a full-closed-loop medicine conveying unit and a full-closed-loop medicine management system. The full-closed-loop medicine conveying method comprises the following steps of respectively receiving the medicine formula information and corresponding medicines thereof; receiving and verifying the identity information of a user; issuing medicines to the user to enable the user to get the medicines after the identity information of the user is verified. Based on the above full-closed-loop medicine conveying method, after medicinesare received, the identity information of a user, for example, the identity information of a department nurse, needs to be verified. After the identity information of the user is verified, the medicines can be issued for the user to get. That means, the department nurse can get the medicines. After the medicines are taken out of a pharmacy, the medicines are directly sent to the user. That is tosay, the medicines are directly delivered to the department nurse, while the conveying personnel cannot change or replace the medicines during the intermediate link. The safety of medicine managementis further improved.