Pharmacists consider that patients or the general public currently do not have enough knowledge about proper drug combinations. Or is the drug the same type? And often forget to take the pills within the prescribed time, making it difficult to continue taking the pills. The pharmacist had the idea to have an app as a "One Stack Service" to help the users to - Increase the convenience of purchasing medicines- Reduce the problem of errors in telling the history of treatment- Helps users to manage medication time