The boarding pass can only be handled at the airport with air ticket and ID card. It needs to be used before boarding the plane, with detailed boarding information; The ticket can be reserved online, which only provides the flight information, departure and destination, which can be used as the voucher for reimbursement.
Boarding pass, also known as registration card, can only be handled at the airport with ID card and ticket, and the ticket can be booked in advance. If you don't handle boarding pass, you can't pass the airport security check, even if you buy a ticket, you can't board the plane smoothly.
The boarding pass must be presented when checking baggage. It must be used in the process before boarding the plane. It contains the flight information of the person who bought the ticket, as well as the boarding gate, cabin, seat number and other information, while the ticket only provides the departure and destination, flight code, airline, ticket number, departure time, etc.
The air ticket is more sufficient as a voucher for reimbursement, but the boarding pass does not have the reimbursement function. Generally, the air ticket is equivalent to a itinerary, which is a ticket proof for flying from the origin to the destination, and the boarding pass is a voucher for some columns of preparations before boarding the plane, which is more detailed than the information given by the ticket to facilitate passengers to get on the plane.