Xihuang Pills can be used to treat cancerous tumors caused by heat and toxic congestion, but there are no claims that Xihuang Pills are effective in treating any cancer. Xihuang Pills, composed of oxalis, artificial musk and vinegar frankincense. It is used for carbuncles (a kind of poisonous sores, acute suppurative disease occurring on the surface of the body, limbs and internal organs), furuncles (a kind of skin disease, referring to severe furuncles), scrofula (mainly referring to tuberculosis of cervical lymph nodes), rheumatoid injections (multiple abscesses occurring in the deep parts of the muscles), and carcinomas caused by heat-toxin congestion. Xihuangwan should not be taken by pregnant women. Athletes are advised to use Xihuang Pills with caution. In case of discomfort it is recommended to seek medical advice. If you need to use Xihuang Pills, it must be used under the guidance of a medical professional.