The process of toad s ecdysis was reported,and the significance of environmental protection and the commercialization of bufonic was discussed.

Research on the Effects of K~+ on Contractility of Isolated Gastrocnemius in Toad;

Effects of commonly used local anesthetic on the excitability of the ischiadic nerve of toad;

Effect of hyperkalemia on ECGⅡand monophasic action potential of toad cardiac muscles;

Effect of herbicide butachlor on myocardial contracts dint and myocardial enzymogram of Bufo bufo;

Function Analysis of Certain Chemical Ions and Pharmaceuticals on Myocardium Cells of Bufo bufo;

To explore the wave shape analysis of the action potential and the velocity of conduction of the neural impulse on the sciatic nerve cord of bufo bufo.

Joint Toxicity of Cu~(2+),Zn~(2+)and Cd~(2+) to Tadpole of Bufo bufo gargarizans;

Effects of Pb on the peroxidase isozymes and esterase isozymes in liver and kidney of Bufo bufo gargarizans.;

Affection of lead stress on antioxidant enzyme activities and malonyldialdehyde contents of Bufo bufo gargarizans.;

Effects of Upper Yellow River Pollution on Antioxidant Enzymes Activities and Malondialdehyde Content of Bufo raddei;

Expression of Epidermal Growth Factor Receptor(EGFR) in the Fetal Lungs of Bufo raddei;

Cytological study on nuclear transplanted eggs by transplanting Xenopus laevis blastomere nuclei to Bufo raddei;

Effects of humidity and temperature on the survival of Juvenile Bufo melanostictus Schneider;

Under indoor condition,single-factor acute and chronic toxicity test was carried to study the toxicity effect of water pH,detergent,herbicide and heavy metal ions(Pb2+ 、 Cu2+ 、 Hg+ ) on tadpole of toad(Bufo melanostictus Schneider).

The experiment involved acute and chronic tests on tadpoles of Bufo melanostictus Schneider,examining the mutagenic effects with respect to tadpoles' micronuleus of red blood cells.