L(+)-Alanine is widely used in pharmaceutical,food and chemical fields.For example,it can be used as food additive, health care cosmetics and so on.L(+)-alanine is a important raw material of VB6 production.14 amino acid injection 800,a kind of compound amino acid injection,is a new medicine to treat liver and brain diseases.It can treat amino acid metabolism turbulence caused by liver dysfunction,and can make the patient of hepatic coma regain consciousness.It is also a very good medicine for diuresis treatment.