INS and obesity due to melanocortin 4 receptor deficiency: She was discharged with the diagnosis of “JBS, glycosuria, diabetic nephropathy stage III, proliferative diabetic retinopathy, obesity, back soft tissue abscess, and fatty liver.” After discharge, she was given acarbose tablets, short-acting insulin before three meals + basal long-acting insulin to control blood glucose, and cloxacin tablets to reduce urinary protein.