A Pakistani traveller has been allegedly caught with pornography involving children and animals on his phone at an airport.

The 32-year-old man was stopped at Perth International Airport on Monday and his bags were searched after he arrived on a flight from Dubai.

Border Force officers checked his phone and allegedly found child pornography and bestiality images on it.

A Pakistani traveller (pictured) has been allegedly caught with pornography involving children and animals on his phone at an airport

The 32-year-old man was stopped at Perth International Airport on Monday and his bags were searched after he arrived on a flight from Dubai

'During the examination of his phone officers allegedly found objectionable material in the form of a number of videos depicting sexual activity involving children and animals,' a Border Force spokesperson said in a statement.

The man appeared in Perth Magistrates Court on Monday and is now in custody while awaiting another court appearance on October 26.

If convicted, he faces a maximum fine of $525,000 and 10 years imprisonment.

Australian Border Force Western Australia regional commander Rod O'Donnell warned travellers of the penalties for similar behaviour.

'Visitors should be aware that possession of child exploitation material is viewed very seriously under Australian law,' he said.

'Tackling child exploitation is an operational priority for the ABF as part of its role protecting the border from individuals who may pose a threat to the community.'