1) OBJECTIVE :To compare and identify Bungarus multicinctus and Natrix annularis.

2) CONCLUSION :Natrix annularis can't be passed off as Bungarus multicinctus and be used as medicine.

3) Methods: Establishing ache models, observe on the content of 5-HT, 5-HTAA, NE in hypothalamus of rats by chemical methods to study effect of extraction of natrix tigrina lateralis by alcohol to which.

4) Objective: Study on relation between mechanism of analgesic action of extraction of natrix tigrina lateralis by alcohol and monoamine neural transmitter in hypothalamus.

5) Objective To Study the relation between analgesic action of alcohol extraction of Natrix tigrina Lateralis and central nervous system.