The outer rind of the tangerine is dried and called "Chenpi" (because of the medicinal effects of Chen, so the name Chenpi). The white net-like filaments on the flesh of the orange, called "orange", contains a certain amount of vitamin P, has the effect of opening the network, phlegm, qi, and eliminating stagnation. These two things happen to be fire, so you can eat oranges, do not eat the orange petals on the orange complex tear, or leave the orange peel to do some orange peel tea, orange peel porridge, a small diet, you can clear the heat and reduce the fire, cough expectorant.