Sima acupoint is the Dong Needle Qi acupoint, which is located on the outer midline of the thigh, seven inches from the upper edge of the patella, with an opening of three and a half inches (i.e. the Gallbladder Meridian Fengshi acupoint), or when the arm is hanging upright, with an opening of three and a half inches in front of the middle fingertip. There are three acupoints located two inches above and two inches below it.
【 Indicative effects 】
Sima acupoint has the functions of regulating water channels, dispelling wind and relieving external pressure. Its clinical indications include rib pain, back pain, lower back pain, lung deficiency, lung disease, chest trauma, rhinitis, deafness, tinnitus, otitis, facial nerve paralysis, conjunctivitis, asthma, hemiplegia, psoriasis, breast pain, lower limb sprains, etc.
Clinical Application
Sima San acupoint is a special and effective acupoint for treating lung diseases, including rhinitis, psoriasis, and acne. It is also effective for various skin diseases. Treat conjunctivitis. Thyroid enlargement also has remarkable effects, and ear diseases (tinnitus, heavy hearing) also have remarkable effects. Effective for chest pain, rib pain, and chest back pain.
Clinical compatibility
（1） This acupoint is equipped with three layers, with three sizes in the middle and three spaces. It can be used for sedation and treatment of rhinitis, with significant therapeutic effects.
（2） This acupoint is paired with four flowers, three layers, and the combination of heaven, earth, and man. It is effective in treating acne, skin allergies, and other conditions.
（3） The combination of Linggu Dabai and Sihua at this acupoint is effective in treating emphysema.
（4） This acupoint is used to connect the kidney, stomach, and back, with three layers and four flowers. It is effective in treating thyroid enlargement by bleeding the affected area.
（5） This acupoint is paired with three layers, with a smooth wrist, and is effective in treating hearing loss and tinnitus.