Matched timer with weekly-used preparation injection medicine reminding function

The utility model discloses a matched timer with a weekly-used preparation injection medicine reminding function. The matched timer comprises a timer body and a buckle, the timer body comprises a shell, a display screen, a control key, an alarm, a timing module, a main control board and a battery, the display screen and the control key are arranged on the front side of the shell, the main control board and the battery are arranged in the shell, and the display screen, the control key, the battery, the alarm and the timing module are all connected with the main control board; and the rear side of the shell is provided with a buckle matched with a pen of the periodontal preparation injection device. According to the scheme, regular one-week alarming is adopted, the effect of reminding a patient to inject on time is achieved, multiple-time alarming is set, and the defect that reminding is likely to be missed by one-time alarming is overcome; and the arranged buckle can be matched with a weekly-used medicine inje