Abstract: A composition used for combating metabolic diseases and uses of (or a method for) the composition. The pharmaceutical composition comprises therapeutic agent A or a pharmaceutically acceptable salt thereof; therapeutic agent B or a pharmaceutically acceptable salt thereof; and at least one pharmaceutically acceptable excipient, where therapeutic agent A is a non-steroidal anti-inflammatory medicament, and therapeutic agent B is a fatty acid oxidation inhibitor. The pharmaceutical composition effectively treats or prevents obesity, non-alcoholic fatty liver, polycystic ovary syndrome, type 2 diabetes, and metabolic syndrome diseases caused by insulin resistance.