What are the advantages and disadvantages of external recruitment?

The advantage of external recruitment is that

(1) What cadres are employed? Foreign advantages? No historical burden;

(2) It is conducive to calming and easing the tension between internal competitors;

(3) It can bring freshness and politeness to the organization.

The limitations of external recruitment are: (1) external cadres are not familiar with the internal situation of the organization;

(2) The organization cannot deeply understand the applicant's situation;

(3) The biggest limitation of external cadres is the blow to internal employees.