If the paper impact factor of 5.90 is excellent. According to the relevant public information, if is an influential factor, which is an important index for the author to choose sci journals. The impact factor is 5, which is relatively high. Journals have certain influence and corresponding value. If5.90 is an excellent level. If the impact factor is less than 3, it belongs to the normal level; If it is around 5, it is considered as a professional excellent magazine; If it is around 10, it is a very good magazine.