Toosendanin is primarily used as a natural pesticide due to its insecticidal properties. It is effective against a variety of agricultural pests, including caterpillars, beetles, and aphids, making it a valuable tool in integrated pest management systems. Additionally, it has been explored for its potential in traditional medicine, particularly in treating parasitic infections and certain inflammatory conditions. Research has also indicated its anticancer properties, showing promise in inhibiting the growth of certain cancer cells. Furthermore, toosendanin is studied for its neuroprotective effects, which could be beneficial in addressing neurodegenerative diseases. Its application in these areas highlights its versatility and potential in both agricultural and medical fields.