What are the three reds in the Three Red Soup?

There is no such herbal remedy as Three Red Tang, there is Three Red Tang San, which is made up of three herbs: Tibetan Cynomolgus, Tibetan Comfrey, and Purple Clover Velvet. This formula is a Tibetan medicine, in which Tibetan celandine is a hemostatic medicine, with the effect of cooling blood, removing blood stasis, stopping bleeding, and clearing menstruation, Tibetan comfrey is a heat-cooling and blood-cooling (relieving blood-heat by clearing heat) medicine, with the effect of clearing heat, cooling blood, transmitting rashes and eliminating blemishes, and activating blood circulation and detoxicating, and comfrey velvet has the effect of cooling blood, harmonizing blood and astringing sores. This formula has the effects of clearing the lungs, reducing inflammation and relieving cough, and can treat fever, cough, phlegm, sputum and shortness of breath caused by wind-heat offending the lungs (wind-heat evils invading the lungs). Clinically, it is useful for bronchopneumonia, lobar pneumonia, consumption, tuberculosis, carbuncle, lung abscess and other diseases. However, allergic to the above drugs and weak spleen and stomach, pregnant women, children should be used with caution, clinical use of drugs need to be careful, please go to the regular hospital in a timely manner, so as not to delay the condition, resulting in adverse reactions.