Weak pulse is due to the deficiency of Yang Qi and Yin Blood, the Qi and Blood are unable to spread outside and the pulse is sunken; the pulse is thin and weak due to the weakness of the filling and bulging. The pulse comes to be thin, soft and sunken, soft and slippery. Weak pulse is mostly seen in the deficiency of Qi and blood deficiency evidence. Qi and blood deficiency is the Chinese medicine of qi deficiency and blood deficiency. Differential diagnosis: floating pulse: light seek there, press no there, floating pulse drifting upstream of the meat, water sail wood floating undetermined direction, floating pulse in the middle of a careful investigation, powerful evil wind to see the surface of the real, no spirit powerless refers to the virtual floating, there are seven petals in the pulse (floating tight, floating slow, floating slippery, floating number, floating late, floating deficiency, floating flood), which rational to experience. Hong pulse: Hong pulse full finger waves like, come when force-like go natural. Pulse flood Yang Sheng although summer prosperity, not fire Sheng cure disaster where. Actual pulse: actual Bi Bi more belong to long, lift press full strength strongest, new disease is fire when it comes, long disease when it comes or gas pain. Long pulse: long pulse straight over the home front, a long way from the weak class long pole, heart and kidney body strong gas this shape, the real pulse connected like sword long. Short pulse: short pulse like a turtle, hiding the head and exposing the tendons in the pulse, inch and foot can be based on the shutdown not diagnosed, astringent and slightly moving knot seems to follow, the main disease is difficult to treat when it is met, it is probably like a real yuan qi loss. Scattered pulse: scattered pulse form floating without sinking wait, such as seeking to the number of detention uncertain, full fingers scattered like Yang first, press the scattered difficult to return to the whole, the birth is born early fetus for abortion, long illness pulse scattered will lose their lives. Micro pulse: fine and small to like strings, sinking and very fine most constantly, spring and summer teenagers are not suitable, spring and winter old and weak is indeed good. Volatile pulse: sink the deep, volatile pulse swimming, under the finger pushing tendons rely on the bone to seek, the real gas does not work disease gang knot, pulse loss diarrhea of not out of the head. Deficiency pulse: deficiency pulse lifts the finger late and large soft, press the powerless and hollow, spirit qi and blood are injured and damaged, disease due to deficiency method, sweating more in. The prison pulse: sunken and volatile force is very strong, the prison shape solid large and chord long, labor injury micro illness true essence loss, asthma abdominal hernia, seven emotional injury. Ge pulse: Ge pulse limbs from floating and urgent, elephant diagnosis really like pressing the drum skin, women’s half-birth and leakage, men’s blood deficiency or “dream loss”. Late pulse: looking for flesh within to come three, to and fro extremely slow slightly late pulse, floating late table cold is superficial evidence, sinking late inside cold must be seen. Slow, knotted, generation, astringent resides in the late category, do not talk lightly without investigating the details. Slow pulse: slow four to pass not partial, and the wind willow curl natural, want to seek from the pulse of the gods, only in the calm and slow between, slow and slow qi and blood are injured, and slow and calm for qi peace. Knotted pulse: slow a finger again and again, knotted pulse limbs remembered in the bosom, grief and worry accumulation in a depressed knot, five hollow cross attack for the plague. (Five hollow: gas, blood, phlegm, drink, food) generation pulse: slow can not be known with the hand, a long time to come is the generation pulse, generation is gas failure is fierce and very, pregnancy bong with the vitality of survival. Astringent pulse: the pulse is astringent difficult to unblock, fine late short scattered what forming, to and fro damp stagnation like scraping bamboo, sick silkworms eat leaves slow and difficult, thinking deficiency crossed with worry in the accumulation of long, not only loss of blood and hurt the essence. Counting pulse: to and fro quickly count the pulse shape, a breath six to carefully based on the number of pulse is Yang heat can be known, only the real and the virtual fire to medical, the real to cool diarrhea deficiency warm tonic, lung disease deep autumn but fear. Urgent, tight, string, slippery, moving, rapid pulse from the number of arrangements set.