Table 1 The conditions between intervention group and control group

1 week

Prologue will help participant to understand the postpartum depression

a. Using examples to introduce what is postpartum depression, PPD symptoms, and how to differentiate PPD with the normal changes which might happen after delivery

b. New progress of the treatment and intervention of PPD

c. Skill learning: Self-evaluate the status of PPD

a. Postpartum perineum incision care or caesarean section wounds;

b. Explanation of lochia postpartum;

c. Prevention of postpartum constipation

2 week

Emotion will help participants

a. Understand what negative emotions is.

b. Record negative emotions and the corresponding behavioral responses

c. Skill learning: think differently

Neonatal feeding (breast feeding or bottle feeding)

a. Encourage breastfeeding, and how to breastfeeding correctly.

b. Identify situations that require bottle feeding

3 week

Recognition will assist participants understand

a. What is the biased habitual thinking?

b. What is the relationship between biased habitual thinking and negative emotions?

c. Skill learning: identify the biased habitual thinking.

Neonatal care (bathing and touch)

a. Time, temperature and supplies of bathing;

b. Navel nursing

c. Neonatal touch method

4 week

Amendment will provide some strategies for participants to deal with the biased habitual thinking

a. Using example to help participants understand what is the consequences of the biased habitual thinking.

b. How to divert their attentions from the troublesome thing.

c. Skill learning: introspect your thinking.

Postpartum recovery (early training)

a. The timing and frequency of getting out of bed

b. Intensity of postpartum exercise

5 week

Rebound will help participants focus on the present life and avoid immersing in negative emotions.

a. Record the daily life

b. Balance your life

c. Skill learning: Set short-term goals and long-term goals and

neonatal vaccination

a. Knowledge of infant vaccination

6 week

Remain happiness will help participants

a. Review the techniques of emotion management and getting rid of biased thinking

b. Skill learning: Record the daily happy things

postpartum reproductive health (contraception)

a. Choice of contraceptive methods