Wash the cabbage thoroughly and slice it into thin strips.
Julienne the onion thinly, and slice the carrot into thin strips.
Heat cooking oil in a pan and stir-fry the onion and carrot.
Add the cabbage and stir-fry over medium heat.
Drain the oil from the canned tuna and add the tuna to the pan.
Add soy sauce, pepper, and cooking wine, then stir-fry and mix well.
Serve the stir-fried mixture over rice to finish.