Smell of gasoline may be a psychological abnormality, the main manifestation of which is odorophilia, that is, a very strong fondness for odors, such as gasoline, fumes, or stench. When other people hate the smell, but they like it very much, it may be a psychological abnormality. It may also be because of their sense of smell problems, the main thing is to carry out psychological treatment, the main recommendation is the systematic desensitization therapy, cognitive behavioral therapy, psychoanalytic therapy, etc., the most rapid, effective, strong operation is the systematic desensitization therapy, this is the first recommended treatment method and the effect is very good.