PURPOSE: A vegetable soft capsule shell composition and a soft capsule containing the same are provided to ensure excellent adhesion and to maintain intensity and strength. CONSTITUTION: A vegetable soft capsule shell composition contains 2-50 parts by weight of starch lysate, 10-350 parts by weight of carageenan, 10-450 parts by weight of plasticizer, and 3-30 parts by weight. The modifier starchy is hydroxyl propyl etherified starch, oxidation-degenerated starch, or oxidation alpha-starch. The starch lysate is potato dextrin, tapioca dextrin, corn dextrin, or glutinous corn dextrin. The plasticizer is glycerin, sorbitol, oligosaccharides, or crystalline fructose. The soft capsule contains the vegetable soft capsule shell composition. [Reference numerals] (AA) Rubbers : load pressure test; (BB) Embodiment 8; (CC) Embodiment 9; (DD) Embodiment 10; (EE) Embodiment 11; (FF) Embodiment 12본 발명은 변성전분 100중량부에 대해서, 전분분해물 2~50중량부, 카라기난 10~350중량부 및 가소제 10~450중량부를 포함하는 것을 특징으로 하는 식물성 소프트 캡슐 외피 조성물을 제공한다. 또한, 본 발명은 상기 식물성 소프트 캡슐 외피 조성물을 가지고 이루어지는 것을 특징으로 하는 소프트 캡슐을 제공한다.