部分新型冠状病毒感染患者出现核酸“长阳”特征，多无明显症状，总结其核心病机为正虚邪恋，与肺、肝、脾等脏腑功能密切相关，湿邪、气郁、瘀血为其重要致病因素。治疗上根据患者临床症状辨证施治，以扶正祛邪为基本治则，根据邪气偏盛的不同采用祛湿、活血、理气、清热、化痰等治法。同时应注意患者精神调摄，及时进行心理疏导，并可采用针灸、耳穴压豆、穴位贴敷、防疫香囊等外治法辅助治疗。

Some patients with COVID-19 have the feature of “long-term positive” of nucleic acid,and most of them have no obvious symptoms. According to the clinical manifestations of the patients,it is concluded that the core pathogenesis is deficient vital qi leading to lingering of pathogen,which is closely related to the disorder functions of the lung,liver,spleen and other viscera,and damp evil,qi depression and blood stasis are important pathogenic factors. According to the clinical symptoms of the patients,the treatment is based on syndrome differentiation. The basic treatment principle is to reinforce the healthy qi to eliminate pathogenic factors. According to the difference of evil qi,the treatment methods such as eliminating dampness,activating blood,regulating qi,clearing heat and eliminating phlegm are adopted. At the same time,attention should be paid to the mental adjustment of patients,and psychological counseling should be carried out in time. External treatment methods such as acupuncture,pressing beans at ear points,acupoint application,and anti epidemic prevention sachet can be used as auxiliary treatment.