Jolkinolide A is a diterpenoid phytochemical isolated from plants like Euphorbia fischeriana, used in traditional medicine for its anti-inflammatory and antitumor properties. It shows potential in inhibiting cancer cell growth across various lines, including liver, breast, and lung cancers. Studies demonstrate its ability to induce apoptosis and reduce metastasis in cancer cells. Additionally, it exhibits antiviral effects, particularly against hepatitis B virus (HBV). As a natural product, it plays a role in plant defense mechanisms and is being explored for pharmaceutical development, including targeted drug delivery systems such as nanocarriers to enhance bioavailability and minimize side effects on healthy cells.