Required conditions and standards for the work product 
quality that must be present for the entry into the next 
stage of the software development process.

Entry Criteria:
1 All code of application, unit tested.
2 Test plan, test cases revieved and approved.
3 QA/Tester get significant knowledge of application.
4 Test environment/test ware get prepared.
5 After getting application build.

Exit Criteria:
Deadlines (release deadlines, testing deadlines, etc.) 
Test cases completed with certain percentage passed 
Test budget depleted 
Coverage of code/functionality/requirements reaches a 
specified point 
Bug rate falls below a certain level 
Beta or alpha testing period ends

For each and every phase of testing we have one exit and 
entry creteria.

For example:

While completion of unit testing there an exit creteria for 
unit testing and entry creteria for next level of testing.