Hyperthyroidism patients with stable condition and no contraindications to the new crown vaccine can usually receive the third injection; if the hyperthyroidism is not yet under control or there are contraindications to the new crown vaccine, it is not recommended to receive the third injection, it is recommended to consult a doctor. If hyperthyroidism is under control and thyroid function is normal, it is usually possible to receive the new crown vaccine; if hyperthyroidism is not yet under control and the body is in a high metabolic state, often with symptoms of fear of heat, excessive sweating, palpitations, polyphagia, and emaciation, it is not suitable for the new crown vaccine at this time. The contraindications of the vaccine include those who are allergic to the components of the vaccine; those who have had severe allergic reactions to the vaccine in the past; those who suffer from uncontrolled epilepsy and other serious neurological disorders such as Guillain-Barre Syndrome, demyelinating diseases, etc.; and those who are in the midst of a fever or suffering from an acute disease, or an acute exacerbation of a chronic disease, or patients with an uncontrolled serious chronic disease. Patients with hyperthyroidism need to go to the Endocrinology Department of a regular hospital to be evaluated by a specialized doctor to decide whether they can have the third shot of the New Crown Vaccine.