PURPOSE: A soft capsule coating composition is provided to remarkably improve the film disintegration delay and coat hardness of a soft capsule. CONSTITUTION: A soft capsule coating composition contains 18-25 wt% of hydroxypropyl tapioca modified starch, 2-4 wt% of iota-carrageenan as a gelling agent, 0.5-1.5 wt% of copper-carrageenan, 5-20 wt% of plasticizer, 0.01-3 wt% of buffering agent, 0.01-2 wt% of disintegration supplement agent, 0.01-1 wt% of antioxidant, and 45-60 wt% of purified water.본 발명은 하이드록시프로필 타피오카 변성전분 18∼25 중량%에 대해 겔화제로 아이오타-카라기난 2∼4 중량% 및 카파-카라기난 0.5∼1.5 중량%, 가소제 5∼20 중량%, 완충제 0.01∼3 중량%, 붕해보조제 0.01∼2 중량%, 산화방지제 0.01∼1 중량% 및 45∼60 중량%의 정제수를 포함하는 연질캡슐 피막 조성물에 관한 것이다.