If there is thinning hair on the top part of the head, it is generally considered to be caused by factors such as excessive mental tension, excessive stress in life, or irregular sleep, and may also be related to factors such as poor nutrition. You should pay attention to the diet to strengthen the nutritional support, rich in protein and vitamin food can eat, and can focus on eating more walnuts, black sesame, bananas, oats, etc., these foods are rich in minerals, can make the hair become tougher. You can eat more dark-colored greens, which are good for reducing the secretion of oil from the sebaceous glands of the scalp and are a natural hair conditioner. You can also eat more zinc-rich foods such as oysters, which help to improve the body’s androgen levels and speed up the growth of hair.