Should my dog be held on a leash and fitted with muzzle? Are there any other controls I should take?
Agriculture, Fisheries and Conservation DepartmentA dog owner should take corresponding controls on his/her dog (including leashing and fitting with muzzle) according to its type. Please refer to the following table for details:
| Type of Dog | Characters / Definition | Controls | 
| Ordinary dogs | Not fall within the definitions of “Large dogs”, “Fighting dogs” and “Known dangerous dogs” | 
 Suggestion: If your dog has a tendency to show aggressive behaviour, in addition to the above measures, consider using a muzzle on your dog (but be careful when using a muzzle in hot weather).  | 
| Large dogs | Weight 20 kg or over | 
 Suggestion: If your dog has a tendency to show aggressive behaviour, in addition to the above measures, consider using a muzzle on your dog (but be careful when using a muzzle in hot weather).  | 
| Fighting dogs | 
 (Attention: Fighting dog is not allowed to import or breed in HK. Current Fighting dog must be registered in AFCD legally)  | 
  | 
| Known dangerous dogs | Declared to be a "known dangerous dog" by a magistrate | 
Last Review Date: 1 Sep 2025


