1, first of all, you need to have some basic knowledge of biology, chemistry and physics, which is the basis of learning subsequent disciplines, and you must be able to memorize chemical formulas.

2, determine the goal, understand the purpose of learning dietitian, have a reasonable study plan, because the knowledge of nutrition is complicated, you need to persevere and you can't let go of every corner.

3. To determine books and learning methods, books must be used first. You can refer to the undergraduate training plan or postgraduate training plan of food science and nutrition, so that you can determine the core subjects.

Extended data:

Declaration conditions:

Level 4 public dietitian (one of the following conditions)

(1) Continuously engaged in this occupation 1 year or more.

(2) Have a technical secondary school diploma in medicine or food.

(3) After the formal training of the four-level public dietitian, he has reached the prescribed standard hours and obtained the certificate of completion.

Third-level public dietitian (one of the following conditions)

(1) Having been engaged in this occupation for more than 6 years continuously.

(2) Having been engaged in this occupation for more than 4 years after obtaining the professional qualification certificate of Grade 4 public dietitian.

(3) After obtaining the professional qualification certificate of Grade 4 public nutritionist, he has been engaged in this profession for more than 3 years continuously, and has been trained by Grade 3 public nutritionist to reach the required standard hours, and obtained the certificate of completion.

(4) Have a college degree or above in medicine or food.

(5) Have a non-medical or food professional college degree or above, and have been engaged in this occupation for more than 1 year.

(6) Have a college degree or above in non-medical or food specialty, have been trained by a three-level dietitian to reach the required standard hours, and have obtained a certificate of completion.

Second-class public dietitian (one of the following conditions)

(1) Having been engaged in this occupation continuously 13 years or more.

(2) Having been engaged in this occupation for more than 5 years after obtaining the professional qualification certificate of the third-class public dietitian.

(3) After obtaining the professional qualification certificate of the third-class public dietitian, he has been engaged in this profession for more than 4 years continuously, and has reached the required standard hours after the formal training of the second-class public dietitian, and has obtained the certificate of completion.

(4) Having a bachelor's degree in medicine or food, and having obtained a third-class professional qualification certificate as a nutritionist, having been engaged in this occupation for more than 4 years continuously.

(5) Having a bachelor's degree in medicine or food, having obtained the professional qualification certificate of the third-class public dietitian, having been engaged in this profession for more than 3 years continuously, having been trained by the second-class public dietitian to reach the required standard hours, and having obtained the certificate of completion.

(6) Have a master's degree or above in medicine or food, and have been engaged in this occupation for more than 2 years.

A first-class public dietitian (who meets one of the following conditions)

(1) Having been engaged in this occupation continuously 19 years or more.

(2) Having been engaged in this occupation for more than 4 years after obtaining the professional qualification certificate of the second-class public dietitian.

(3) After obtaining the professional qualification certificate of the second-class public dietitian, he has been engaged in this profession for more than 3 years continuously, and has reached the prescribed standard hours after the formal training of the first-class public dietitian, and has obtained the certificate of completion.