（八）功要纯青 High Degree of Skill Proficiency
长拳的技术，须“功宜纯”。在这里，“功”指的是力量、速度、耐力、灵敏等身体素质和运动的各种技巧。所谓“纯”，就是纯一不杂，炉火纯青。“功宜纯”是对长拳技术质量的要求。要使技术质量达到纯青的地步，重要的一条就是要在技术规范化的前提下加强锻炼的实践。“功夫是练出来的”，只有坚持锻炼，持之以恒，才能使身体素质和运动技巧不断地得到提高，才能使功力长进，技术质量由不纯逐渐到纯。
Chang Quan exerciser should have high degree of techniques and skills.The technique here refers to various applicative skills and athletic capabilities such as strength，speed，endurance and agility etc..High degree of skills proficiency is the requirement to the high quality of Chang Quan techniques.An important way of acquiring the high degree of skill proficiency is to strengthen practice under the precondition of standardized training.“Kungfu is the reward of hard practice.” To stick to hard training and continuous practice is the only way to improve athletic capabilities and Chang Quan skills.