Secondly, when signing a contract, we should carefully read the contents of the contract, especially the terms about salary, payment method, welfare, casualty compensation and so on. And ask the other party to write the terms of the oral commitment into the contract to prevent disputes in the future.
Finally, carry out necessary vaccination, always carry vaccination certificate (commonly known as "yellow book") to see if other disease prevention measures are needed. If conditions permit, it is best to have a comprehensive physical examination.