The invention discloses a health food used for improving the sleeping quality and a production process thereof. The health food used for improving the sleeping quality consists of a main material and an auxiliary material, wherein the main material is a composition of gamma-aminobutyric acid, L-theanine, spina date seeds, herb of passionflower, piper methysticum forst, humulus lupulus, nepeta cataria and lavender, and the auxiliary material is a composition of sorbitol, mannitol, microcrystalline cellulose, maltodextrin, magnesium stearate, silicon dioxide, whole milk powder, stevia, arhat fruit extract and food essence. Through the mode, according to the health food used for improving the sleeping quality and the production process thereof, the multiple natural ingredients are adopted, so that after being eaten, the health food can be used for effectively improving the sleeping quality, is high in safety, cannot cause bad stimulation for a human body, and is suitable for being taken for a long time.