The invention relates to a method for accurately collecting medicament for taking. A control device regulates each medicament storage mechanism and retrieving mechanism according to the amount of eachmedicament taken at the time of the next medicament administration, and conducts the medicament-taking operation separately for each medicament; the medicament taken out by the medicament-taking operation is collected and stored in a medicament storage cup through a collecting unit; by means of the medicament storage mechanism and the retrieving mechanism, the medicament to be taken by patients is taken and stored in a second medicament box automatically; in this way, when the patients take medicament each time, they only need to take all the medicament in the second medicament box for taking; by means of the method, patients with less consciousness can accurately take medicament; miss taken, less taken and more taken of medicament is avoided.