Resume is a personal introduction, including name, age, contact information, advantages and disadvantages, work experience, self-evaluation and so on.

A cover letter is a hope for a position, an application for a position, and an expression of personal wishes;

A cover letter has the desire to hold a position. Apply for the position, express your wishes and meet the advantages of the position to win the favor of the recruiter. Its characteristic is to describe your advantages in the position more.