One Jin of soybean meal can produce1-3 Jin of soybean protein meat. Based on the price of soybean 1.5 yuan/Jin and the price of soybean protein meat 2 yuan/Jin, the profit per Jin of protein meat can be about 0.7 yuan, and the profit of making a series of spicy products can reach about1.5-2 yuan. If you buy an oil press directly, you will get more benefits.