Anuin linked up with Chiangrai United in January 2018 from Nakhon Ratchasima, for whom he made 15 league appearances in total.

Anuin last made an appearance in a competition game on March 28, playing 90 minutes for Chiangrai United against Samut Prakan City in a 2-1 success.

In 2018 he was called up by Thailand national team for the 2018 AFF Suzuki Cup, but did not make an appearance.

In 2019, He was named in Thailand's squad for the 2019 AFC Asian Cup in United Arab Emirates, but did not make an appearance.

On 26 January 2024, he made his debut for Thailand in their final group match against Saudi Arabia in the 2023 AFC Asian Cup, under Masatada Ishii.