Tinea capitis is a contagious skin disease, and patients often lack B vitamins, so it is essential to supplement with B vitamins. Firstly, consume foods rich in vitamin B2 and vitamin B6. Secondly, sources of vitamin B2 mainly include animal organs, egg yolks, soybeans, and fresh vegetables, while foods rich in vitamin B generally include cereals, wheat germ, and yeast. Lastly, it is advisable to reduce the intake of foods high in fat, especially for oily scalps.