Difficult. The University of California, Irvine, is a public institution that pays more attention to academic ability. The enrollment here will also pay attention to the applicant's curriculum and academic background, so it is still very difficult to take the exam in China. University of California (Irvine), also translated as University of California Irvine or University of California Irvine, was founded in 1965. It belongs to the University of California system, is a world-famous public research university, is a member of association of american universities, Pacific Rim University Alliance and International Public University Forum, and is known as the public Ivy League.