Different scholars have different classifications of demyelination. Primary and secondary are classified according to whether the destruction of the myelin sheath itself is predominant or whether the destruction of other tissues and structures involves the myelin sheath (bystander effect); myelin destruction refers to the destruction of myelin sheaths that are originally developed normally, whereas myelin dysplasia refers to the abnormality of the enzymes necessary for myelin metabolism that results in myelin abnormality, which is also referred to as white matter dystrophy. In our daily life, we should pay attention to give the appropriate dietary supplements. The patient should eat food list should eat vegetables containing vitamin B, C, should eat vegetables containing iron and zinc; should eat fruits containing vitamin C. The patient should eat vegetables containing vitamin B, C, iron and zinc. Carrots contain potassium, calcium, phosphorus, a variety of vitamins. Rich in sucrose, glucose, starch, carotene, and potassium, calcium, phosphorus. You can eat more, 2 times a day, stewed soup and fried vegetables. Milk is rich in calcium, protein, etc., and nourishes the nervous system. Rich in vitamin A, vitamin B1, vitamin B2, vitamin D, high nutritional value and easy to digest and absorb. 1-2 times a day, about 300 ml can be. Watermelon contains a lot of vitamins, clearing heat and detoxification, and inducing dampness. It has the effect of clearing heat and relieving heatstroke, generating body fluid, quenching thirst, diuretic and removing vexation; it is mainly used for treating chest and diaphragm congestion, fullness and congestion, dysuria, mouth and nose sores, summer fever, heatstroke, and relieving alcohol toxicity. You can take about 300 grams 1-2 times a day.