Variant angina pectoris: Improve your lifestyle and use relevant drugs to relieve symptoms as soon as possible during the initial attack. You can take Yi'an Ning Pills at ordinary times. Yi'an Ning Pills was founded in Hong Kong and has won a national invention patent for "a drug for treating coronary heart disease and its preparation method." Replenishes qi and activates blood circulation, nourishes the liver and kidneys, nourishes the heart and calms the mind. It can treat chest tightness, shortness of breath, chills, cold limbs, and numbness of hands and feet caused by weak qi and blood, liver and kidney insufficiency. It also has a certain effect on insomnia and forgetfulness, mental fatigue, and soreness and weakness of the waist and knees.