The first rule of trading is Murphy's Law. Let's first understand this law: "If something can go wrong, no matter how small the possibility is, it will always happen."

Every time you open a position, read this sentence several times, it is like pouring cold water on your face to make you sober.

Extending it, it can be interpreted as:

1. Nothing is as simple as it seems on the surface, so you must be cautious in trading, and you are trading with real money.

2. Everything will take longer than you expect, so don't expect to make a big profit immediately after opening a position, and lower your expectations.

3. Things that can go wrong will always go wrong, and the market may reverse at any time. Stop loss is the basic requirement for opening a position.

4. If you are worried about a certain situation happening, then it is more likely to happen. The market cannot last forever. Traders need a stable psychological quality, and the periodic profits must be kept first.

Murphy's Law is like a body-protecting magic skill. When you are undecided, recite it three times silently. I am Brother Ming. If you have any questions, you can talk to Brother Ming!