Back opening is a massage technique that improves sleep, unblocks meridians, promotes blood circulation, and facilitates the absorption of herbs. It is a massage technique that is often used in clinical treatment and daily health care. Its benefits and effects are mainly the following: 1, relaxation of body and mind: the human back is rich in muscle groups, but in most cases, can not get effective exercise, and now most of them need to work voluntarily, this situation is easy to form the back muscle stiffness and strain. And open back this massage technique, can relieve back muscle fatigue, improve the discomfort of the back, while most cases, open back will apply some essential oils to facilitate massage, such as chamomile essential oil, lavender essential oil, the two together can play a relaxing effect on the body and mind; 2, stimulate acupuncture points: the back of the spine on both sides is throughout the body of the foot sun bladder meridian and back points, through the open back massage technique, can stimulate These points, play a role in dredging the meridians, harmonize the qi and blood, and improve the function of the internal organs; 3, to promote the absorption of Chinese medicine: external application of creams or oils made of Chinese medicine, the use of open back techniques, can promote the absorption of drugs. For example, when applying safflower oil made from drugs such as Chuanxiong and saffron on the back, it can promote the therapeutic effect of safflower oil to activate blood circulation and remove blood stasis.