Spleen and kidney yang deficiency (deficiency of yang qi in the spleen and kidneys) should not drink floating wheat. Floating Wheat has the effect of stopping sweating and reducing deficiency heat, and is mainly used for spontaneous sweating (involuntary sweating during the daytime, aggravated by sweating with a little movement), night sweating (abnormal sweating after going to sleep, and sweating stops after waking up), and bone vaporization and laborious heat, etc., and is not suitable for people with spleen and kidney yang deficiency. Floating wheat has astringent yin to stop sweating (astringent yin fluid, reduce sweating), beneficial qi solid surface effect, its nature of sweet and cool, specializing in the heart meridian, nourishing qi and yin, retreating heat, treatment of the couper is not solid (often refers to the skin can not consolidate the sweat, the surface of the body sweating abnormally), the leakage of fluids of the self-sweating, sweating, etc.. Floating wheat has the effect of nourishing the heart and tranquilizing the mind (stabilizing the mind by nourishing the heart). Combined with lily, lotus seed, jujube and licorice, it can treat dirty agitation (upset and depression, sadness and wanting to cry for no reason), symptoms of depression, sadness and wanting to cry for no reason, lack of stretching in counting, peripheral fatigue, tiredness, insomnia, forgetfulness, and other symptoms of damage to the heart and spleen. The adverse reactions and contraindications of Fucus Mellifera are not clear. It should not be taken by those who have sweated before exhaustion of superficial evils (evil qi on the muscle surface). If medication is needed, it should be consulted with a doctor first and used under the doctor’s guidance, not blindly self-medication.