A 45-year-old supporter from the home end was also ejected from the game and arrested for allegedly racially abusing Hibs player Jordan Obita.
Hibs released an online statement thanking Hearts for taking “swift action” to deal with the matter.
Police Scotland Assistant Chief Constable Gary Ritchie said fans setting off pyros around football matches were putting other supporters at risk.
He added: “I would ask people to think about the impact on the people around you, especially those with medical conditions, young children and the elderly.”
New laws come into effect in June 2023 that make it illegal to carry fireworks or fireworks in public places. A number of Scottish clubs Fans had issues with pyro being used in matches.
Earlier in December it was Celtic, Rangers and Motherwell All are charged by SPFL The “irresponsible” and “unacceptable” use of flares by fans during the Premier Sports Cup semi-final at Hampden Park.
