May be the chinese food was too spicy or some thing that has caused gastritis
. burning sensation in stomach may be the features of gastritis.SMOKING
ITSELF CAN GIVE RISE TO GASTRITIS.
You may take medicine like mucaine
gel 2 tsf 3/4 times to get relief from the burning .
If the symptom persists you may take peptard d 1 daily for few days .
getting a check up from physician will be helpful
Hope you be all right .