Relay problem

I have my relay conected to a 220v lamp to turn it on and off but when I turn on the arduino the relay light blinks and the turns off and doesnt work

http://forum.arduino.cc/index.php/topic,148850.0.html

Even my crystal ball fails with this information.

The minimum would be the program (after reading the above link to see how).

Weedpharma

Maybe you connected the 220v to the Arduino pin.