Emodin is a kind of anthraquiones with pharmaceutical activities. The solubilities of emodin in ethanol, 1-octanol, and ethanol+1-octanol at different temperatures were measured using an analytical method. The solubility of emodin in these solvents increased with an increase in temperature. With the temperature deviating from room temperature, the dependences of the solubility of emodin on temperature became a lot more remarkable. The solubility of emodin in ethanol was more sensitive to temperature than that in 1-octanol. The solubility data of emodin in the same species of solvent at different temperatures was correlated with an empirical equation. The calculated results agreed with the experimental data well.