Abstract: This paper has dissected serious shortcomings of two-parameter (stripes and strikes) rose diagram in common use, presented the measure of joint growth level by joint contribution, and plotted the rose diagram with three parameters of stripes, dimensions and strikes of she joint. The set of the rose diagram directly shows the joint growth in many sides. It is very convenient to use and analyse. Its effect is very remakable.

Key words: Dimension of joint, Joint contribution, Rose diagram of joint