The difference between raw sour jujube kernel and fried sour jujube kernel lies in the method of concocting and appearance, and there is no essential difference in the efficacy and function of the two. 1. Concocting method: The concocting method of sour jujube kernel is to harvest the mature fruit, remove the pulp and the core shell, collect the seeds and dry them in the sun. Fried sour jujube kernel is to take the net sour jujube kernel, according to the method of stir-frying until bulging, the color slightly dark. 2. Appearance: Sour jujube kernel is flat-orbicular or flat-ellipsoid, with purplish-red or purplish-brown surface, smooth and glossy. Gas is slight, taste is light. The surface of fried sour jujube kernel is slightly bulging, slightly with scorched spots. Slightly burnt aroma, taste faint. The effects of sour jujube kernel and fried sour jujube kernel are nourishing the heart and tonifying the liver, tranquilizing the heart and tranquilizing the mind, restraining sweating, and generating fluids. They are clinically used for treating the symptoms of insomnia due to deficiency annoyance (annoyance caused by deficiency heat in the body), palpitations and excessive dreaming, excessive sweating in a deficient state of body, and thirst due to injury of fluids. It is contraindicated for those with solid evil and slippery drainage. Adverse effects are not clear. If you need to use the drug, it is recommended to be under the guidance of a physician to identify the evidence, and not blindly self-medication.