If the volume and weight of the guitar are within the range allowed by the airline, you can take it on the plane, but if the volume or weight of the guitar exceeds this range, you can only check it.

Airlines allow passengers to carry small pieces of luggage for free, but they have clear restrictions on the size and weight of carry-on luggage: each person can carry one item, and the size of each item should not exceed 20×40×55 cm and the weight should not exceed 5 kg.

Extended data

Air transport of prohibited articles:

1. Guns (including all kinds of offensive weapons such as simulated toy guns and gun lighter glue), ammunition, ordnance, police equipment, controlled knives (any knives), explosives, inflammable and explosive articles, toxic substances, radioactive substances, corrosive substances, dangerous solutions and other prohibited items stipulated by the state.

2. Professional knives such as scalpels, butchers, meat cutters, knives, spears, swords and halberds used by literary and art units, as well as axes, chisels, hammers, awls, weighted or spiked walking sticks, steel-tipped trekking sticks, etc. can all be checked as luggage.

3. The length of the daily blade carried with you should not exceed 4cm. Life knives such as fruit knives, scissors and men's shaving blades must be put into the luggage or handed over to the airport security department for temporary storage.

References:

Civil aviation administration of China-luggage