"Which method of creating AI do you agree with?
1. The algorithm method
2. The neuron method in which artificial neurons are created that act in a similar way."

I suppose I agree with both of them, as I've implemented trivial AIs with both of them. OTOH, I'm guessing you mean a non-trivial AI. I couldn't even hazzard a guess at it. One thing, though - these things aren't necessarily mutually exclusive. I implemented artificial neurons by means of algorithms.