Chemical diversity of 7 funges of tricholoma giganteum,obtained from different areas of our country,cultured and inspected under the same condition,was studied by HPLC and using the SAS soft ware.

In the basic teaching of computer,it is necessary for teachers to improve their teaching method,adopt multimedia teaching to improve the teaching effect,carry out diversified teaching,train students logic thinking ability,attach great importance to the development and utilization of course resources and foster students practical innovative ability.