Chonglou, also known as seven-leaved one branch flower, is mainly effective in clearing heat and detoxifying the body, relieving swelling and pain, cooling the liver and calming the mind. In modern applications, Chonglou has a very wide antibacterial spectrum, for many bacteria, including dysentery bacillus, typhoid bacillus, Staphylococcus aureus, etc., have different degrees of inhibition, especially in the antibacterial effect than Huang Lian better. Chonglou also has obvious inhibitory effect on viruses, and can also sedative, analgesic, asthma, cough, hemostatic, anti-tumor, etc.. Chonglou has great efficacy in anti-cancer and is often combined with other drugs to make anti-tumor herbal medicines.