Fishing traditional fishing method of a few questions, please expert advice

1, is the traditional fishing, the lead drop needs to sink; 2, the distance between the lead drop and the hook 5cm is the best; 3, the fish do not bite the hook and season has little to do with the weather, air pressure, water quality, bait, fish layer, etc.; 4, according to the environment around the water and the color of the water to identify; 5, there is no bait is not good or bad, as long as the right way on the line; 6, whether easy to take off the hook and fishing skills; 7, such as fishing more than 10 pounds of fish, use the 12 hook is better.