Mental allergy mainly means that the heart is more sensitive, easily becomes aggrieved, unhappy, especially painful, depressed and unhappy about other people’s words, small frictions, conflicts and even the small things in life. There may also be more serious irritability, anxiety, fear, fear of emotions, easy to become nervous or easy brain excitement accompanied by easy fatigue problems. If there are symptoms and manifestations of mental allergies, it is necessary to actively treat and adjust them, which may cause serious psycho-psychological problems, and must be taken seriously, and must actively adjust their emotions, life and mentality.