SP 18 Acupuncture Point(Tianxi) belongs to the Spleen Meridian of Foot-Taiyin,which is commonly used for chest pain, cough, acute mastitis,hypogalactia, puncture obliquely or flat pierce outward 0.5 to 0.8 cun.

SP 18 Acupuncture Point Location

6 cun lateral to the anterior midline in the 4th inter-costal space.

tianxi point

What is the meaning of Tianxi

Tianxi:”Tian”,refers to the heaven.”Xi”, path. The name of Tianxi means that the Qi of the heaven of this point go upward along the Spleen Channel. The substance of this acupoint is the dampness-qi from SP 17(Shidou) point, which continuously absorb heat during reaching this point,and it goes up to the upper part of the chest along the Spleen Meridian, hence the name.

SP 18 Acupuncture Point Usage

chest pain, cough, acute mastitis,hypogalactia.


Respiratory system diseases: pneumonia, bronchitis, asthma and other diseases;


Intercostal neuralgia;

Chest pain.

SP 18 Acupuncture Point Therapy

Massage therapy

  • Press and rub SP 18(Tianxi) point with the pad of your thumb for 1 to 3 minutes each time.It can promote lactation and prevent from mastitis if long-term massage it.
  • Massage SP 18(Tianxi) point with your thumb from  outside to  inside in a circular motion, and gently press it on the left and right sides at the same time before and after bathing or before going to bed,which is helpful for breast enlargement.

Moxibustion Therapy

Moxa moxibustion on SP 18(Tianxi) point for 5 to 15 minutes, or 3 to 5 unit.

Compatibility of SP 18 Acupoints

Combined with Danzhong point to treat chest pain.

Combined with Danzhong,Rugeng,Qimen,Taichong, Xiaxi point to treat amastitis due to stagnation of liver qi,hypogalactia.

Combined with Yingchuang,Xiajuxu, Fenglong, Wenliu, ShaoChong point to treat mastitis due to stomach heat.

Combined with Juque, Danzhong, Ximen, Taiyuan, Fenglong point to treat chest pain due to phlegm turbidity.

Combined with Pishu, Feishu, Fenglong, Taiyuan, Hegu point to treat cough due to phlegm-damp.