Craniosynostosis presents with a depressed skull base, shallow orbits, protruding eyes, and hypoplastic paranasal sinuses. Craniosynostosis is the premature closure of one or more cranial sutures resulting in cranial deformity, increased intracranial pressure, impaired intellectual development, and may have ocular symptoms. It is characterized clinically by premature closure of a single or multiple cranial sutures. The etiology of this disease is unknown and there is no satisfactory explanation. Some scholars have found that the disease is familial, so it is thought to be genetically related. The lesions are mostly concentrated in the coronal suture or multiple sutures of bone ossification. Some scholars refer to cranial suture ossification of unknown origin, which is present at birth, as primary sarcopenia, while early ossification of cranial sutures secondary to other diseases of the body, such as early cranial suture ossification in patients with cretinism accompanied by overuse of thyroid hormone replacement therapy, as secondary sarcopenia. As the brain tissue develops and grows, the skull grows accordingly. The brain is wrapped by the dura mater attached to each brain sickle at the base of the skull, which acts as a strong inward and outward thrust on the plastic infant skull during development and governs the development of the skull. Limited expansion, that is, there will be an increase in intracranial pressure, which will seriously affect the normal development of brain tissue and cause various brain dysfunctions. Dietary precautions for paranasal sinus dysplasia: 1. Take enough nutrition, eat a high protein, high vitamin, high calorie, easy to digest diet. 2.For those who have poor appetite and difficulty in eating, it is advisable to have a small number of meals and less residue diet, and give intravenous high nutrition support if necessary. 3.Eat more fruits and vegetables and other high-fiber foods because they are rich in nutrients, eat more eggs, milk and other protein-rich foods, eat a light diet, and pay attention to balanced nutrition. Eat more immunity-boosting foods, such as propolis, etc. In this way, enhance the individual’s resistance to disease. 4.Prohibit the consumption of spicy, cold and stimulating foods to avoid recurrent attacks of the disease. 5. Encourage the patient to take in enough nutrition and eat a high protein, high vitamin, high calorie and easy to digest diet. For those who have poor appetite and difficulty in eating, it is advisable to have a small number of meals and less slag diet, and give intravenous high nutrition support if necessary.