A novel anti-smoking program aimed at primary school students has lost Tasmanian Government funding under the QUIT program.

Surgeon Stephen Wilkinson has been running the 'Docs for a Day' program for 15 years, giving thousands of students a dose of reality about the effects of smoking.

"We've had very clear evidence that people have changed their behaviour as a result," he said.

But the Government is not convinced and has withdrawn support.

It has asked Quit Tasmania to spend its money on programs showing positive results.

Dr Wilkinson hopes the program can continue with or without Government support.

"A few years ago QUIT was co-opted to help organise the program and I think there has been some funding changes with QUIT recently but the hospital has clearly expressed a desire to continue the program and they're actively looking at funding it," he said.