People with breast nodules can take deer antler in moderation as prescribed by the doctor if needed, but should not overdose. Breast nodule patients eating deer antler will not have an effect on the condition, so breast nodule patients can eat deer antler in moderation, but should not be overdosed. Deer antler has the efficacy of benefiting essence and blood, strengthening kidney yang, reinforcing tendons and bones, and supporting sores and poisons (promoting the discharge of pus and toxins and the regeneration of new muscles), etc. It can be used for the treatment of impotence caused by kidney yang deficiency, spermatorrhea, uterine coldness, infertility, coldness, tinnitus, deafness, lumbar soreness, back pain, sinew impotence and weakness (weak muscles and numbness of the skin), and collapse and leakage (profuse bleeding from the vagina) and other disorders. Adverse reactions and contraindications to this drug are not known. Although deer antler does not have the efficacy of treating breast nodules, patients with breast nodules can eat deer antler. Besides, it is recommended that patients with breast nodules should seek medical treatment in time and choose appropriate measures for treatment under the guidance of doctors.