1. Identity confirmation: Fingerprint, like signature, can further confirm identity and protect the rights and interests of both employers and employees.

2. Keep records: fingerprints can keep permanent records, and any disputes or disputes can be verified at any time.

3. Legality and compliance: According to the relevant regulations of Macao, employers need to confirm the identity and qualifications of employees, and fingerprints are a legal and compliant way of identity confirmation.

In a word, fingerprint is to ensure the identity and legitimacy of employees, thus protecting the rights and interests of employers and employees and meeting the requirements of local laws and regulations.