1, easy to fire body of people, the body belongs to the Yin deficiency fire body, manifested as liver fire, tongue red, tongue coating, easy to heat in the afternoon, hot flashes, night sweats, five heart heat, body is thin, easy to insomnia at night, this kind of people should not take nourishing type of Colla Corii Asini.

2, dampness and heat, phlegm and dampness of the heavy body of the crowd should not take Colla Corii Asini, this group of people are more dry mouth, bitter mouth, heavier breath, often fatigue, dizziness, weakness, abdominal distension, loose stools, yellow urine, thick and greasy tongue coating.

3, blood stasis body women, usually menstruation delayed, pushed back, there are clots, the amount of menstruation is not a lot of menstruation, menstrual disorders of women to eat Colla Corii Asini is not effective.

4, if there is trauma, wounds, also not very suitable for eating Colla Corii Asini, wait for the wound to heal, trauma is good before eating Colla Corii Asini.