The invention provides a blackberry composition used for improving sleep quality. The blackberry composition used for improving sleep quality comprises the following raw materials in parts by weight:45-90 parts of a blackberry extract, 13-35 parts of a rice bean extract, 7-19 part of a lotus seed extract, 1-5 parts of a lily bulb extract, 1-5 parts of a black sesame seed extract, 2-5 part of a longan flesh extract, 1-3 parts of a termite extract, and 3-7 parts of a Chinese date extract. The blackberry composition used for improving sleep quality disclosed by the invention has the characteristics of being capable of increasing cardiac compliance, clearing heart-fire, calming the nerves, warding off diseases, prolonging life span and improving sleep quality; and prescription is conducted onbasis of the purpose of nourishing the blood and tranquilizing the mind, so that, the blackberry composition is suitable for daily consumption, and good in taste. On basis of inherent sleep-improvingfunctions of blackberry fruits, a compound without side effects is added, so that, the blackberry composition has significantly enhanced functions on improving sleep quality. The blackberry composition used for improving sleep quality can be easily accepted by people, and is capable of achieving certain sleep quality improving functions.