when i connect both P10 Display DMD & nrf24L01 on Arduino Uno board,the display is not working,some time serial data is not coming on a port.
Have you considered the power consumption of the components? An Uno is not a power supply; it's not clear from your image if you use a separate power supply.
Your code might also relevant; just in case you don't know how to post using code tags, read the "how to use this form" sticky.
Your topic has been moved to a more suitable location on the forum. Installation and Troubleshooting is not for problems with (nor for advise on) your project.
Maybe this helps: Using nrf24l01+ with other devices together on one SPI-Bus. | MySensors Forum
As well as the code, post a link to your display product page (example Ebay link etc.)
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