There are many factors for the formation of mucinous tumor, which is usually caused by genetic factors, environmental factors and living habits. 1. Genetic factors: Mucinous tumor has certain hereditary signs, rarely occurring single patients, usually with the characteristics of family aggregation, and with the growth of age, the incidence rate will increase when the body is weak and the immune function decreases. 2. Environmental factors: if patients live and work in the environment with radiation for a long time, or often contact with harmful chemical substances, which affects the healthy state of body functions, it is also easier to induce mucinous tumor. 3. Lifestyle habits: patients’ overwork, long-term late night, bad dietary habits and other bad lifestyle habits will make patients’ immunity lower, thus inducing the onset of mucocele. At present, the pathogenesis of mucinous tumor is still unclear, when patients check out the mucinous tumor, they need to go to the hospital in time to find out the cause of the disease and take targeted treatment to avoid delaying the condition leading to the deterioration of the tumor, which will jeopardize the patient’s life.