One Nation's newly-appointed Queensland leader Steve Dickson has used his first official press conference to take aim at Muslim immigration.

Steve Dickson also echoed his party's stance on the burqa when he was formally announced as state party leader today, less than two weeks after defecting from the LNP.

Standing beside Pauline Hanson, Mr Dickson again called for a medicinal cannabis amnesty and talked up plans for drought-proofing Queensland before saying Australia wasn't the place for certain people.

"We welcome anybody from all over the world to come to Australia - that's an absolute fact," he said on the Sunshine Coast.

"But if you want to come here and have two or three wives, if you want to treat women like dogs and if you want to mutilate young children there are many countries in world you can do that but none of them are called Australia.”

Mr Dickson, who described himself as of Irish, Scottish, German and French heritage, also said the full burqa should not be worn in government facilities or banks.

"Try walking in with a motorcycle helmet on or a hoodie - you can't do it," he said.

"If you go in and you've got a full burqa, you should not wear it into those institutions."

Mr Dickson's switch to One Nation after 11 years in his seat blindsided the LNP and left the party with 41 seats to Labor's 42.

The Buderim MP said he made the move for Queensland but it hadn't been an easy journey given the major parties could be “nasty and vindictive.”

He said One Nation would be looking to field candidates in all seats at the Queensland poll, which he said could be called at any minute.

Senator Hanson dismissed any suggestion Mr Dickson may not hold onto Buderim, which has been an extremely safe seat for the LNP.

"He is going to win his seat - there is no question about it," she said.