Generally speaking, after taking Ocitinib Mesylate Tablets, it is recommended to take Liuweidihuang Pills at an interval of two hours if necessary, and drug interactions may occur when the two are taken at the same time. 1. The ingredients of Ositinib Mesylate Tablets contain Ositinib Mesylate, which is clinically used for the treatment of adult patients with locally advanced or metastatic non-small cell lung cancer who have experienced disease progression on or after prior treatment with epidermal growth factor receptor tyrosine kinase inhibitors and have been tested and confirmed to have EGFR T790M mutation-positive disease. The drug is associated with gastrointestinal and dermatologic adverse reactions. Hypersensitivity to the active ingredient or any excipients should not be taken with St. John’s wort. 2. Liu Wei Di Huang Wan has the effect of nourishing yin and tonifying the kidney. Its ingredients contain zedoary, mudanpi, poria, ripened dihuang, cornelian cherry, and yam. Liu Wei Di Huang Wan is used to treat kidney yin deficiency, dizziness and tinnitus, lumbar and knee weakness (a feeling of weakness in the lumbar region and knees), bone vapor and tidal fever (a burst of heat, feeling that the heat is coming from inside the bones to the outside), night sweating (abnormal sweating after going to sleep, but sweating stops after waking up), spermatorrhea, and other disorders. Adverse reactions and contraindications to Liu Wei Di Huang Wan are not known. If you are using other drugs, please consult your physician or pharmacist before using this product. To summarize, Ocitinib Mesylate Tablet belongs to western medicine and Liuwei Di Huang Wan belongs to Chinese patent medicine, and drug interactions may occur when the two are taken at the same time. The use of drugs should be under the guidance of a physician to follow the doctor’s instructions, not self-medication, in order to avoid adverse consequences.