The present invention provides a camera optical lens including, from an object side to an image side: a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a negative refractive power; a fourth lens having a positive refractive power; a fifth lens having a negative refractive power; a sixth lens having a positive refractive power; and a seventh lens having a negative refractive power first to seventh lenses. The camera optical lens satisfies following conditions: 8.00≤d1/d2≤16.00; 0.40≤(d2+d6)/d4≤0.70; and 0.50≤R2/R3≤1.20. The camera optical lens can achieve high optical performance while satisfying design requirements for ultra-thin, wide-angle lenses having large apertures.