From May 1st2008, all passengers on domestic flights must be in compliance with the rules and regulations on the number of carry-on baggage .
Two pieces of baggage are allowed for the passengers of first-class, only one piece of baggage is allowed for the passengers of economy and business class.
The volume limitation of carry-on baggage is: 20*40*55 cm for Boeing737 series; 15*35*55 cm for CRJ series. The total weight of two pieces must not exceed 5kg. The baggage that exceed the above limitation must be transported as checked baggage.