Canister for vehicles and fuel evaporative system provided with the same

A fuel evaporative system comprising:

• a fuel tank connected to a refueling line to receive fuel, exhausting internal evaporation gas through a evaporation gas line, and supplying the fuel through a fuel supply line;
• an engine connected to the fuel supply line to receive the fuel from fuel tank, and connected to an intake passage to receive air;
• a purge line connected to the intake passage;
• and
• a canister provided with charcoal therein for absorbing evaporation gas, and having an evaporation gas supply passage connected to the evaporation gas line to receive the evaporation gas, an air passage connected to an air supply line to receive exterior air, a purge passage connected to the purge line and releasing the evaporation gas absorbed at the charcoal according to flow of the air supplied through the air passage to supply the evaporation gas to the intake passage, and a heating module heating a position into which the air passing through the air passage flows or mounted at the air supply line and heating the air;
• wherein the heating module comprises a heating core for heating the air flowing in the canister, and a diffusing plate disposed between the air passage and the heating module and diffusing the air passing through the air passage to be heated at the heating core evenly.