Tanshinone IIA is widely used in traditional Chinese medicine for its cardiovascular benefits. It is known to improve blood circulation and reduce the risk of heart diseases by preventing blood clots and reducing inflammation. Additionally, it has shown potential in treating conditions like atherosclerosis by inhibiting the buildup of plaque in arteries. It also exhibits broad anti-inflammatory properties, helping to reduce swelling and inflammation in various diseases, such as arthritis.

Beyond cardiovascular health, Tanshinone IIA is being studied for its anti-cancer properties, particularly in inhibiting the growth of certain cancer cells. It demonstrates neuroprotective effects, potentially reducing neuronal damage in neurological disorders like Alzheimer's disease. Furthermore, it has antioxidant effects, which help in protecting cells from damage caused by free radicals and slowing cellular aging processes.

Ongoing research continues to explore its applications in pharmacology and medicine for enhanced efficacy.