The present invention is elemene soft capsule as one kind of antitumor medicine and its preparation process. The elemene soft capsule consists of capsule covering and inclusion. The inclusion includes elemene, vegetable oil and surfactant; and the capsule covering is made with adhesive, plasticizer, opacifier and water in the weight ratio of 1 to 0.3-0.45 to 0-1 to 0.7-1.4, and has pH value controlled in 5.0-7.0. The elemene soft capsule has the bad smell of elemene masked, and has high stability. |