There is no official, safe way to get free QQ profile likes (名片赞). Most third-party websites or tools claiming to offer free likes come with significant risks:

1. Account security threats: Many such sites are phishing platforms designed to steal your QQ account credentials (password, verification code) or personal information.
2. Malware risks: Some require downloading unknown apps or clicking suspicious links, which may install viruses or adware on your device.
3. Violation of QQ rules: Using third-party tools to manipulate engagement violates QQ's Terms of Service, which could lead to account suspension or restriction.
   If you want more profile likes, it’s better to grow them naturally: interact with friends actively, share interesting updates, connect with people who have similar interests, or participate in QQ communities. Always prioritize your account security and avoid clicking on untrusted links.