It has the ability to relieve pain, detoxify and reduce swelling, but there is no research to show that it can cure cancer. The dried flesh and rind of the walnut is used as medicine. It has the effect of relieving pain, detoxification and swelling, and can be used to treat stomach and abdominal pain, ringworm, carbuncles and swellings (symptoms caused by the congestion of qi and blood due to evils and poisons, resulting in localized swelling), sores and sores, and so on. The adverse reactions and contraindications of Qinglongyi are not clear, if used with other drugs may occur drug interactions, please consult your physician or pharmacist for details. If the patient has any discomfort, please go to a regular medical institution; if you need to use Qinglongyi, must be used under the guidance of a professional doctor.