The patient was a 74-year-old female with type 2 diabetes mellitus (T2DM) treated on Humalog mix 25 twice a day. As social history, she has worked long years for growing and harvesting lotus roots. It gives physically heavy loading, which brings unstable glycemic daily control. She had to titrate minute regulation every time. For stable glucose variability, the treatment was changed to Xultophy, which is a specific combined agent of Insulin Degludec and Liraglutide (IDeg/Lira) once a day. Then, detailed glucose monitoring showed a better daily profile of blood glucose, irrespective of heavy or light work. It showed the bio-psycho-social benefit of Xultophy.