According to the China Education Online, it is ok to use the parameters in the math test of the senior high school entrance examination, but the following points should be noted:

1. Correctly understand the meaning of the problem: When using parameters to solve the problem, we must first clarify the requirements and conditions of the problem and determine the parameters to be used.

2. Choose appropriate parameters: There are many parameters, such as variables, side lengths, angles, etc. Select the appropriate parameters according to the characteristics of the topic.

3. Rational use of parameters: In the process of solving problems, we should correctly use parameters for calculation and reasoning, and pay attention to the range and symbol of parameters.

4. Troubleshooting in time: When using parameters to solve problems, sometimes multiple parameters appear. At this time, it is necessary to turn multiple parameters into one or several unknowns through elimination.