To provide a system that can give advice required for management of a blood glucose level to a user desiring to properly control his/her own blood glucose level everywhere at any time, provide no random information, but selectively provide advice suitable for the time depending on the advice time to the user so as to contribute to formation of regular living conditions by the user, provide no same advice to users but provide proper advice to each user depending on his/her different circumstance and provide an environment where the user can positively accept the advance while opening up themselves to the advice.

The blood glucose management program runs on a wireless phone compatible with applications and allows a control means of the wireless phone to execute a notice step where a character animation 102 and a comment 101 corresponding to the time for blood glucose level management are displayed on a display window 100 of the wireless phone.