The dosage unit of sour jujube kernel is gram, not granule. According to the Chinese Pharmacopoeia, the dosage of Sour Jujube Seed decoction is 10~15g. The specific dosage is decided according to the individual’s physique and condition. Sour jujube kernel was first published in the Divine Husbandman’s Classic of the Materia Medica (神农本草经). It is flat in nature, sweet and sour in flavor, and is attributed to the heart, liver and gallbladder meridians. It has the basic effects of tranquilizing the heart and tranquilizing the mind, nourishing the heart and tonifying the liver, and generating fluid and astringing sweat. It is suitable for deficiency of yin and blood in the heart and liver, insomnia, palpitation and dreaming, excessive sweating and thirst. For accurate and safe dosage, it is recommended to refer to the dosage range specified in the Chinese Pharmacopoeia. The adverse reactions and contraindications of Sour Date Seed are not known. If medication is needed, it should be consulted with a professional doctor first and used under the doctor’s guidance, not blindly self-medication.