Bishop John Harrower said he strongly opposed Tasmanian Greens Leader Nick McKim's Dying With Dignity Bill, and encouraged MPs to vote against it for the betterment of Tasmania.

The bill will be tabled in Parliament tomorrow but it is not expected to be debated until at least August.

All parties have indicated that they would give their members a conscience vote.

Mr McKim claims his bill reflects community values and yesterday released a privately commissioned EMRS poll that showed 78 per cent of Tasmanians would support voluntary euthanasia laws, up from 75 per cent last year.

He said there were a number of safeguards in his bill to protect the community, requiring the terminally ill person to be assessed by a psychiatrist, have second medical opinions on their condition and also be a resident of Tasmania for at least 12 months.

But Bishop Harrower said that even with safeguards he still had "alarm bells going off" in his head, as only God had the right to take life.

"Going down the pathway of euthanasia is literally a way to death, not to life for our society - and it will bring great harm to Tasmania," he said.

Lyons Liberal MHA Rene Hidding also said Mr McKim had to treat the issue with more respect, and called for the bill to be referred to a standing committee of inquiry.

Mr Hidding is the last sitting MP who was involved in the 1998 euthanasia inquiry, which received 1162 submissions.

He fears Tasmania could become a haven for elderly people looking for an option out if the bill was passed.

"We want people to come to Tasmania because it's a beautiful place to live, not an easy place to die," Mr Hidding said.

"To think you can bring on a quick debate and bang it through Parliament on the shallow basis that there is popular support for it is either naive or arrogant thinking."