The present invention relates to tricyclic compounds of formula (I) and formula (II), or a pharmaceutically acceptable salt thereof. The present tricyclic compounds are useful non-systemic TGR5 agonists that can be used to treat diabetic diseases in human. The present invention provides a pharmaceutical composition containing tricyclic compounds of formula (I) and formula (II) and a method of making as well as a method of using same in treating patients inflicted with metabolic disorders by administering same. The compounds of the present invention may be used in combination with additional anti-diabetic drugs.