愚人節的慶祝方式是，拿親朋好友和同事開玩笑，以此來愚弄他們。由於愚人節不是一個（法定）節日，因此很多人忘了這個日子的含義，把自己弄得毫無防備。最傳統的`玩笑就是讓人白跑腿兒，但現在，花樣可能要複雜得多。以下就是一些人們的最愛：
False errands
These types of pranks are best played on newcomers at work. Some popular ones include sending someone to the maintenance room to ask for a rubber hammer and glass nails or asking someone to go to another department for ten meters of shoreline.
Phone pranks
Just about everyone knows a good phone prank. A classic one involves getting a few friends to call the same number over a period of one hour asking for a Mr. Smith. Just when the victim starts to get really angry about all these people calling looking for a Mr. Smith call one more time and say, "Hi. This is Mr. Smith. Are there any messages for me?"
Other phone pranks are based on names that sound like something else. For example, you could call the zoo and ask for a Mr. Albert Ross.
Table Tricks
When nobody is looking fill up a sugar bowl with salt and watch as the victim puts a few spoons in their coffee. Most ketchup users will shake the bottle before putting it on their food. Loosen the top on a bottle of ketchup and watch as the shaker covers himself in the stuff.
Time Difference
This is a favourite in college dorms. When your roommate is asleep reset his/her alarm clock so that it is an hour slower.
Confetti Rain
Place confetti inside a closed umbrella in your home or office and pray for rain on April 1st.
False Advertising
Publicizing a false event or product is another favourite trick of students. For example, you can print leaflets stating that free lunches will be given to students that day at a certain restaurant. Sit outside and watch the fools arguing with the waiters about their right to free food.
Hot Seat
Put some hot substance, such as Deep Heat, on a toilet seat and watch people leave the bathroom only to turn around and quickly run back in again.
Missing Vehicle
Take someone’s car keys when they are busy and move their car to a different location. Watch as they frantically ③pace up and down by the place where they parked their car.
