Objective To explore the health knowledge of thyroid cancer patients to understand the details and needs, and put forward a reasonable health education program. Methods 122 patients with thyroid cancer admitted to our hospital from November 2017 to May 2019 were randomly selected as the research objects. Through the questionnaire made by our hospital, we investigated the patients, analyzed and mastered the patients' understanding details and specific needs of health knowledge, and proposed reasonable health education methods according to their characteristics. Results The rates of patients' ignorance about thyroid cancer related knowledge, such as the relationship between disease and lifestyle, the importance of regular admission to hospital, the control details of the disease in clinical treatment, the specific treatment plan and effect, the clinical characteristics of the disease and the detailed information of the disease, were 50.00%, 51.64%, 72.95%, 74.59%, 77.87% and 8.19%, respectively. The score of demand for health education content was high, accounting for more than 40% of the total demand.Patients with different forms of health education had different needs, one of the highest requirements for meeting communication, nurses and patients accounted for 98.36%, followed by WeChat popular science knowledge, accounted for 96.72%, followed by after playing video and audio (94.26%), creating a seminar (93.44%), individual guidance (91.80%), telephone follow-up (83.60%), experience introduction (80.32%),patients with the same disease, publicity column and brochure (63.90%). Conclusion Patients with thyroid cancer have less knowledge of health knowledge and need more health knowledge. Therefore, we may take diversified health knowledge education programs to meet the needs of different patients, and then increase the attention of patients to the disease, which is conducive to the patients to establish treatment confidence and improve their quality of life.