1. Convenient to carry: Gelatin capsules are small and lightweight, easy to carry, and convenient to take medication at any time.

2. Protective drugs: Gelatin capsules have good sealing properties, which can effectively protect drugs from external environmental influences and extend the shelf life of drugs.

3. Adjusting drug efficacy: Gelatin capsules help regulate the release rate of drugs, thereby controlling the duration of drug efficacy and reducing side effects of drugs.

4. Improving absorption rate: Gelatin capsules make it easier for drugs to pass through the gastrointestinal tract, thereby improving the absorption rate of drugs and accelerating the effectiveness of the drug.