Lianhua is a traditional Chinese herbal remedy, often used in the treatment of respiratory infections and flu-like symptoms. It is derived from a combination of various herbs, with a focus on enhancing the body's immune response. The formulation is believed to help alleviate symptoms such as cough, fever, and fatigue. In recent years, Lianhua has gained attention for its potential effectiveness against viral infections, including COVID-19. It is available in various forms, such as capsules and granules, and is commonly used in conjunction with other treatments. However, scientific research on its efficacy is ongoing.