Every day in the afternoon to feel back pain irritability may be related to kidney yin deficiency and dry heat, treatment can be identified and analyzed using Zhi Bai Di Huang Wan or Dai Tonic Yin Pill and other nourishing yin and clearing heat (nourishing yin essence, clearing the heat) of proprietary Chinese medicines to ease. 1. Zhi Bai Di Huang Wan: with the effect of nourishing yin and lowering fire (nourishing yin essence and lowering fire), it can be used to treat symptoms such as afternoon hot flashes (a burst of heat), heartburn, and lumbar and knee soreness (a feeling of lumbar and knee soreness and weakness) caused by yin deficiency and fire exuberance (deficiency of yin essence and hyperactivity of deficiency and fire in the body). It is contraindicated for pregnant women to take with caution. 2. Dahuanyin Pill: It has the function of nourishing yin and reducing fire, and can be used to treat hot flashes and night sweating caused by yin deficiency and fire exuberance, cough, soreness and weakness of waist and knees, tinnitus and spermatorrhea, and so on. It is contraindicated for those who are allergic to the product and patients with cold and fever. The adverse reactions of the above two drugs are not clear, if you need to use the drug, please go to the regular hospital in time, do not self-medication, so as not to delay the condition.