The absence of taste may be caused by physiological or pathological factors, and should be treated for the cause, such as taking medication and general treatment. 1. Physiological factors: especially tension, stress, insomnia and so on will affect the sense of taste, then need to relax, ensure sleep, generally can be recovered by themselves. 2. Pathological factors: colds, oral diseases, burns, etc. can also lead to taste bud degradation, atrophy, loss of taste, at this time to brush the tongue, reduce the stimulation of taste buds, eat less stimulating food, eat more light food, and at the same time pay attention to oral hygiene. If the sense of taste is not restored after the recovery of the primary disease, you should also consult a doctor in time. No sense of taste to eat more fresh vegetables and fruits, avoid stimulating foods, maintain an optimistic mood, no improvement in symptoms, if necessary, go to the hospital to identify the cause of treatment.