Generally speaking, they will ask you to fill it out completely, but many times it will involve some personal privacy information. For example, the ID number, this need not be filled in. After all, this leak still has great hidden dangers to its own safety.
Such as name, height, weight and so on, have no influence on you, so it is better to fill it in.
Generally, parents' contact information and work unit will be written into their resumes at the end. If this is not mandatory, you can leave it blank.