As we know almost all countries have constitution ,does old civilizations have also there's?

Do you mean to ask 'Did ancient civilisations had constitution"?

The American Constitution was the first complete written national constitution. Prior to it, some countries had partially written constitution.

In ancient period some Greek city states had customary or partially written constitution. But it dependent upon the kings whether they wanted to follow it or not. Since most of the ancient civilisations were monarchial, they did not had any Constitution as the word of the king was considered to be final.