Syndrome differentiation and treatment
The main therapeutic principle lies in curing asthenia and improving intelligence. According to the different symptoms, the therapeutic methods are respectively applied of nourishing and tonifying the liver and kidney, supplementing qi and nourishing blood as well as activating blood circulation and dredging collaterals. Simultaneously, the following 3 points should be taken into account: firstly, keep the same prescription and administration for a long time, at least half a year to one year as a course of treatment in general; secondly, supplementary diet therapy should be adopted of more food products which tonify the heart and nourish the brain; thirdly, education and coaching in combination with various methods may achieve better therapeutic effects.

1. Asthenia of the liver and kidney  
Main symptoms and signs: Mental retardation, sluggishness in eyes, retardation of development, obviously slower development than the children of the same age in lifting the head, creeping, sitting, crawling, standing, walking, speaking, etc., dry eyes, flaccidity and weakness of tendons and bones, lassitude, slow response, light red tongue with a little or no fur, thready and weak pulse.  
Therapeutic methods: Nourishing the liver and kidney, strengthening the tendon and supplementing marrow.

2. Deficiency of heart blood 
Main symptoms and signs: Sluggish expression, mental retardation, no cry, no restlessness, retarded speech, or even subconscious phonation, failure to express thought, slurred speech, failure to convey ideas in words and extreme difficulty in speaking fluently, sallow and lustreless complexion, pale lips, tongue and nails, thin and yellowish hair, etc., light red tongue with a little fur, slow and weak pulse.
Therapeutic methods: Tonifying blood and nourishing the heart to benefit intelligence and inducing resuscitation.

3. Blood stasis obstructing cerebral collaterals   
Main symptoms and signs: Deafness, aphasia, slow response, unconsciousness, involuntary movement, or stiffness of limbs, sluggish expression, occasional scream, delayed action, dysphasia, or onset of epilepsy,dark purple tongue, or with ecchymosis and petechia, deep and unsmooth pulse.
Therapeutic methods: Activating blood circulation to remove blood stasis, dredging collaterals to open the mind.