Normal people will lose hair every day, generally the amount of daily physiological hair loss is below 100, more than 100 considered as pathological hair loss. If you don’t eat dinner several times occasionally, it will not cause pathological hair loss; if you don’t eat dinner for a long period of time, it may lead to insufficient nutritional intake, which can’t provide hair follicles with enough nutrients and energy, and may lead to pathological hair loss. Not eating dinner for a long time may lead to insufficient protein, vitamins, minerals and other nutrients in the body, so that the hair follicle growth and development of essential substances are lacking, hair growth is limited, and in severe cases, a lot of hair loss symptoms can occur. In life, we should develop good eating habits, eat three meals on time, nutritional balance variety, eat more food with high protein content, such as meat, dairy products. However, it should be noted that there are many reasons for pathological hair loss, in addition to malnutrition caused by not eating dinner, it may also be caused by excessive mental stress, long-term late-night, hereditary and other factors; at the same time, it may also be caused by certain diseases, such as seborrheic alopecia, baldness and so on. Therefore, it is recommended that patients go to the hospital in time to clarify the diagnosis, under the guidance of the doctor to treat the symptoms.