The distance between the front and rear of the Pearl economy class seat of China Southern Airlines has increased from 79 cm to 89 cm ~ 94 cm, increasing the space by 40%. Passengers can also enjoy supporting ground services before boarding the plane; The exclusive check-in counter, priority for baggage pick-up, priority for boarding, priority for upgrade in case of oversold, and catering and accommodation services in case of abnormal flight are the same as those of members of China Southern Pearl Gold and Silver Card.