2, often eating Liuwei Dihuang Pills can also achieve many effects such as improving human immunity and promoting metabolism. If patients have some bad symptoms such as soreness of waist and knees, spermatorrhea, flushing, dry mouth, tinnitus and dizziness caused by kidney deficiency, they can consult a doctor and take Liuwei Dihuang Pill for treatment according to the specific dosage prescribed by the doctor. You should go to the hospital to check your renal function regularly during taking the medicine.