Whether or not surgery is necessary for thymic cysts needs to be decided based on whether or not the patient has clinical symptoms. If there are no symptoms, regular observation is usually sufficient, and if there are symptoms, surgery is required. Thymic cyst is a type of mediastinal cyst in the chest, which is related to congenital, trauma, inflammation and other factors. If patients with thymic cyst do not have chest pain, dyspnea, shortness of breath, coughing and other manifestations, they are first given regular follow-up and observation, and generally do not need to undergo surgical treatment. If patients with thymic cysts have the above symptoms, they need to undergo timely surgical resection, which is usually done through thoracoscopy. It is recommended that patients with thymic cysts should pay more attention to rest, avoid overwork, and maintain a positive and optimistic attitude. If thymic cyst patients have symptoms during the observation period, they should go to the hospital in time to avoid delaying their condition.