The White House said Trump will visit the headquarters of the Department of Homeland Security on Wednesday afternoon where he will sign a series of decrees on immigration.
Trump wrote in a tweet Tuesday evening "a great day tomorrow on national security. Among many things, we will build a wall."
And stop the flow of immigrants to the United States was a prominent topic of Trump's election campaign during which he announced his intention to build a wall along the 3,200 km border between the United States and Mexico.
Some borders are closed, but Trump said he should build a wall to stop the entry of illegal immigrants from Latin American countries.
And experts across all real doubts about the effectiveness of the barrier to stop illegal immigration, or whether the project is worth the trouble to invest billions of dollars while there are other less expensive ways to achieve the same results.
But the issue has become one of the main demands of the American right, which constitutes the electorate Trump base.
Trump pledged during the campaign to expel the perpetrators of misdemeanors of illegal immigrants from the United States and build a wall along the border between the United States and Mexico.
But the project hit the wall several measures must be taken in advance, Congress is controlled by Republicans must secure new funds when the project implementation of the approach in the party Trump spent many years calling for budgetary restraint.
Also, a large portion of the land required for the construction of the wall belong to private entities means a long legal procedures and acquisition expenses and political opposition.
He said Internal Security Minister John Kelly during his appointment hearing that the wall "has not built anytime soon."
The Trump promised to make Mexico pay the costs of the wall and began Aides to US President, given the lifting of tariffs to cross the border into ways to "Tdwia Mexico."
- Ban the entry of Muslims? -
The Trump also talked during the campaign for the ban on entry of Muslims to the United States.
The information indicated that he consider steps to stop or slow down the flow of migrants, especially from Syria and other countries are predominantly Muslim.
Saving some 4.8 million Syrians into neighboring countries to Syria, according to the UN.
And it reached nearly 18,000 Syrian to the United States.
The former officials said that Trump could slow down the process by stopping immigrant quotas and programs related to that issue.
According to the Washington Post that the decrees to be signed by limiting the migration of refugees and those with visas to the United States from Iraq, Iran, Libya, Sudan, Somalia, Syria, and Yemen.
The citizens of these countries face major obstacles in obtaining visas to enter the United States.
But the move sparked condemnation even before its announcement.
Said Trita Parsi of the National Iranian-American Council that "Donald Trump is doing a good job in defective and discriminatory promises made during his election campaign."
"I called for a ban on the entry of Muslims and now take the first steps to implement it. This thing will not work. The American people better than this."
Trump also sign decrees on immigration and cities that make up the "havens", ie those that have pledged refused to prison any refugees if the goal of detention is dismissed