Some restrictive factors of the limit of transuranium are discussed in this paper on the basis of philoscophical laws of the unity of opposites and the quantitative qualitative change.

• 以哲学的对立统一和量变质变两大基本规律为由头；考虑了超铀元素存在的若干限制因素；结论认为:1.；元素周期系的界限极可能是118号元素;