China people keep healthy by diet, develop a unique system of botany, medicine and nutrition, and create health-preserving delicacies endowed with natural philosophies. The common ingredients that nourish healthy qi and are readily available contain the mystery of health and guard the road of physical and mental peace of the Chinese nation. China on the Tip of the Tongue Season 3 Episode 4 discusses food and nutrition, hoping to help everyone build a healthier lifestyle.