People with a cold constitution can take Colla Corii Asini. The main effects of Colla Corii Asini include tonifying blood, stopping bleeding, nourishing yin and moistening dryness, and it is mostly used for blood deficiency and atrophy, dizziness, palpitation, muscle impotence and weakness, and it is especially good at treating blood deficiency caused by bleeding. It can also be used to treat fetal leakage of pregnancy, metrorrhagia, blood in stool, as well as fever and yin injury, lung dryness and cough and other symptoms. Although Colla Corii Asini has a very good tonic effect, but some people are not suitable for taking, such as people who love fire, like heart fire, lung fire, liver fire is not suitable for people to take Colla Corii Asini, there is a heavy body dampness is not suitable for people to serve Colla Corii Asini, because of the nature of this product viscous, impede digestion, it is not suitable to take Colla Corii Asini for those who are weak in the spleen and stomach. People with cold body should not judge without authorization, and need to follow the doctor’s instructions for conditioning before taking.