PURPOSE: A polyamide compound is provided to improve chemical performance, light stability, and skin stability by introducing an arylamino compound into polysuccinimide.CONSTITUTION: A polyimide compound has a structure represented by chemical formula 1. A manufacturing method of a polyamide compound comprises a step of reacting polysuccinimide with an arylamino compound represented by chemical formula 2 and obtaining the polyimide compound represented by chemical formula 1. In chemical formula 1 and 2, R1 is hydrogen or C1-7 alkyl; R is hydrogen, halogen, C1-7 alkyl, or C6-12 aryl; p is an integer from 1-4; and I is an integer from 500-800.COPYRIGHT KIPO 2013본 발명은 개선된 폴리아마이드 화합물과 그의 제조방법에 관한 것으로 본 발명에 따른 개선된 폴리아마이드 화합물은 아미노산의 한 종류인 아스탐산의 중합체인 생분해성 고분자 폴리숙신이미드에 유기계 자외선 차단 화합물을 도입한 화합물로 신규한 자외선 차단제로 사용될 수 있다.