Shenyi Capsule has the effect of tonifying qi and blood, cultivating the energy and strengthening the foundation. Shenyi capsule is mainly used with chemotherapy, which helps to improve the therapeutic effect of primary lung cancer and liver cancer. It can regulate the immunity of some lung cancer patients and improve the symptoms of qi deficiency of cancer patients. However, it should be noted that this drug is not suitable for patients with Yin deficiency and internal heat syndrome, fire-heat syndrome, and should be avoided by patients with bleeding tendency. In addition, a small number of patients taking this drug, there may be oral ulcers, dry mouth and throat and other adverse reactions. When overdosed, dizziness, sore throat, tinnitus, chest tightness, nosebleed, excessive dreaming and other uncomfortable reactions may occur. This drug has certain side effects, the specific taking should be under the guidance of a traditional Chinese medicine practitioner, not blindly take the drug on their own.