How to open up the channels of human resources recruitment?

Recruitment methods are divided into internal recruitment and external recruitment. Advantages of internal recruitment: high accuracy; Adapt quickly; Strong motivation; The cost is lower. Disadvantages: unfair handling and improper methods may cause some contradictions within the organization and have adverse effects; It is easy to inhibit innovation. Advantages of external recruitment: bringing new ideas and methods; Conducive to recruiting first-class talents; The role of establishing image. Disadvantages: screening is difficult and takes a long time; Slow to enter the role; High recruitment cost; High decision-making risk; Affect the enthusiasm of internal employees. Internal recruitment method: recommendation method; Notification law; Archives law. Ways of external recruitment: advertising; With the help of intermediaries (talent exchange centers, job fairs, headhunting companies); Campus recruitment; Online recruitment; Recommended by acquaintances. ?