The efficacy of Le Vein Pill is to promote qi and blood circulation, resolve blood stasis and open the veins; the side effects are not clear. Le Vein Pill is a proprietary Chinese medicine composed of Radix Salviae Praeparata, Rhizoma Ligustici Chuanxiong, Rhizoma Cyperiatae, Rhizoma Mullein, Safflower, Radix Paeoniae Alba, Hawthorn and other traditional Chinese medicines, which is known for its efficacy of promoting qi and blood circulation, resolving blood stasis and clearing up the veins. It is suitable for palpitations (accelerated heartbeat often accompanied with panic), chest pain, headache, dizziness and other conditions caused by stagnation of qi and blood (blood stagnation because of lack of circulation of qi). Adverse effects of taking Lovage Pill are not known, and it is contraindicated for those who are allergic to the product. It should be noted that this product should not be used alone in acute attacks of angina. Le Vein Pill needs to be used under the guidance of a Chinese doctor’s diagnosis, and should not be used blindly.