There are differences in side effects caused by different nuclide treatments, as follows: 1. Common side effects such as causing inhibition of bone marrow hematopoiesis, leading to a decrease in white blood cells and platelets; 2. In iodine-131 treatment, it may cause localized thyroid or laryngeal edema. A large amount of iodine-131 orally, can lead to gastrointestinal function impairment, the patient will have nausea, vomiting and other reactions, or lead to the patient’s urinary system with radioactive inflammation, such as radiation cystitis, the patient manifested frequent urination, urinary urgency; 3, the side effects of radiation of the particle therapy may be in the process of puncture, resulting in hemorrhage, pneumothorax, or cause radioactive ulcers, necrosis, or particle displacement, and so on. The side effects of nuclide treatment are mainly caused by radioisotope radiation, so the results of side effects caused by different treatment nuclides are different.