Alarm reminder tool for medicine time with medicine case as the indicator is used to be a substitution tool for medicine supervisor in order in order to get the patient has medicine as scheduled. There are some medicines should be taken continually and on time. An a medicine which has taken after meal should be continuously consumed after meal. Medicine for TBC (tuberculosis) sufferer, for instance, is should be given continuously before having meal in the morning in order to make TBC microbes eradicated perfectly. Careless schedule will lead into ineffective result. It means that the TBC microbes could not be eradicated, or would need longer time. In eradicating system of TBC, there is a supervisor for medicine-time to make sure the medicine has consumed on time as scheduled. The condition has made the writer triggered to make a tool which will give a reminder alarm in order to make patient has medicine on time. It will give a more effective result to the patient. The alarm for medicine time uses microcontroller ATMega 8 as the conversion time, RTC DS 1307 modulation as the time keeper in second up to the year, and can be set automatically, and the pnp A377 to activate the buzzer and led as the indicator of the alarm for medicine time as well as the medicine case for certain medicine should be consumed. Based on the result of 5 times measurements uses stopwatch compared with result of the research, it has found that there is 0 mistakes and 1 second of accuracy has made by the tool. Hopefully, the alarm reminder tool medicine time will help more chronic sufferers who need to have medicine on time, for instance, the TBC sufferers.