The invention relates to a method for improving the accuracy of medicine taking of an old chronic hypertensive patient through a remote regulation and control function. The method comprises the steps that the medicine quantity of medicines put in all first medicine boxes is input by a human-computer interaction unit; after one time of operation of S2 is conducted, residual quantity of all the medicines is reduced correspondingly; and a control device further conducts monitoring analysis on the residual quantity of all the medicines, and when the situation that the residual quantity of the medicines is smaller than the preset threshold values of the medicines is monitored, the control device sends a signal showing that the medicines are about to be used up to a mobile terminal of a remote person through a communication unit. Through the communication unit, the relative of the patient can be informed of the information about the lack of the certain medicines in time, after sale personnel or a hospital receives the fee, medicines are sent to the home of the patient in time, the medicine boxes are opened, and the medicines are supplemented. The difficult problems that in a traditional mode, medicine purchasing is difficult, and accordingly treatment is affected due to lack of medicines are solved.