The teeth marks on the side of the tongue may be related to weakness of the spleen and stomach, heavy dampness, etc. You can take medications, such as Sijunzi Pill and Ginseng Ling Baijushu San; as well as acupuncture. Sijunzi Pill, has the effect of benefiting qi and strengthening the spleen (regulating the qi of the spleen and stomach). It is used for poor appetite and loose stools (thin and unformed feces) caused by deficiency of spleen and stomach qi. Ginseng Ling Bai Zhu San, with the efficacy of tonifying the spleen and stomach and benefiting lung qi. It is used in treating loose stools caused by weakness of the spleen and stomach, shortness of breath and coughing, and fatigue. Acupuncture and moxibustion treatment: commonly used acupoints include foot-sanli, middle epigastric region, Fenglong, Tianshu, etc., but the specific acupoints to be used should be decided by the doctor according to the patient’s condition. Taking the above medicines needs to be guided by a doctor, and acupuncture needs to be operated by a professional doctor.