1.Distension and pain: pain and a feeling of distension, painful wandering or running pain. Generally, the pain of swelling is definitely accompanied by pain of moving around, which is a characteristic of pain caused by stagnation of Qi. 2. Stabbing pain: pain like needles, and the pain is fixed, which is the characteristic of pain caused by blood stasis. Stabbing pains are usually found in the chest, hypochondrium and abdomen, and are caused by blood stasis. If the pain in the joints of the limbs is fixed and does not move, it is mostly due to cold and damp paralysis. 3. Cold pain: the pain has a cold sensation and prefers warmth. It is common in the lumbar spine, abdomen and limb joints. Due to the different causes of cold pain, it is divided into two types of deficiency and reality. Those who suffer from pain due to cold blocking the veins and collaterals belong to the real evidence. Those who suffer from pain due to deficiency of Yang Qi and loss of warmth in the internal organs and limbs belong to deficiency evidence. 4. Burning pain: pain with a burning sensation and a preference for cold and an aversion to heat. It is often caused by fire or Yin deficiency and fire, and the tissue is burned. It often indicates acute gastritis, gastroesophageal reflux disease, etc. 5. Colic: pain as severe as knife twisting. It is caused by the blockage of Qi by real evil, such as biliary colic caused by stone obstruction, or sudden onset of angina pectoris. If cold evil stagnates qi, it can also cause colic, such as stomach pain caused by cold evil invading the intestines and stomach. 6. Occult pain: the pain is not very intense, still tolerable, but unrelenting. It is common in the head, stomach, abdomen and other parts. Mostly due to loss of essence and blood, or lack of yang energy, cold in the body, and loss of nourishment and warmth in the organism. 7. Heavy pain: a feeling of heaviness. Mostly caused by dampness blocking the qi flow. Commonly found in the head, limbs, waist and the whole body. Most of the tips rheumatoid arthritis, rheumatoid arthritis. 8, switch pain: pain from the pulling and pulling, from one place to another. Mostly related to liver disease or neuralgia.