2. From the point of view of muscle cells: beef muscle cells are relatively slender, and no impurities can be seen one by one; Horse muscle cells are very thick, and granular substances can be clearly seen.

3. judging from the tenderness, beef looks like

Very rough and solid; Horse meat is crisp and tender, and has no toughness.

4. From the perspective of muscle fat: the shape of beef fat is like white marble; Horse meat fat is yellow.

5. From the taste point of view: beef has a particularly unpleasant smell, and horse meat has no special smell.